374 lines
14 KiB
JSON
374 lines
14 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-74233",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-08-14T18:01:19.917Z",
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"datePublished": "2026-08-27T10:40:11.313Z",
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"dateUpdated": "2026-08-27T13:41:32.924Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-08-27T10:40:11.313Z"
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},
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"title": "Zbtlink MQWrt infosrvd Command Injection",
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"descriptions": [
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{
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"lang": "en",
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"value": "Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-EC_QP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain an unauthenticated command injection in the infosrvd service (UDP/9992). A remote unauthenticated attacker can send a crafted UDP packet to execute arbitrary commands as root. The service's authentication uses a hardcoded salt and an all-zero wildcard MAC bypass, rendering it ineffective."
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}
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],
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"datePublic": "2026-08-27T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-321",
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"description": "Use of Hard-coded Cryptographic Key",
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"type": "CWE"
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},
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{
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"lang": "en",
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"cweId": "CWE-78",
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"description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Zbtlink",
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"product": "WE1326",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE2426-C",
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"versions": [
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{
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"status": "affected",
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"version": "19.1112",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE357",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE5926",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE5926-EC_QP",
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"versions": [
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{
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"status": "affected",
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"version": "20.0516",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE5926-WD",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE826-Q",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE826-T2",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WE826-WD",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WF3526-P",
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"versions": [
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{
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"status": "affected",
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"version": "19.051",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WG108",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Zbtlink",
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"product": "WG3526",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Unknown",
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"product": "CTN720-W1",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Unknown",
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"product": "LF-1541",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Unknown",
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"product": "MT7620N",
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"versions": [
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{
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"status": "affected",
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"version": "19.1101",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Unknown",
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"product": "WRC1",
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"versions": [
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{
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"status": "affected",
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"version": "20.0622",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.3,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
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}
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},
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"version": "3.1",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.8,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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}
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}
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],
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"references": [
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{
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"url": "http://vulncheck.com/blog/zbt-darklantern-speakingstone",
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"name": "VulnCheck Blog",
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"tags": [
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"technical-description",
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"exploit"
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]
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},
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{
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"url": "https://www.vulncheck.com/advisories/zbtlink-mqwrt-infosrvd-command-injection",
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"tags": [
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"third-party-advisory"
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Jacob Baines of VulnCheck",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.4"
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},
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"impacts": [
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{
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"capecId": "CAPEC-88",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-88 OS Command Injection"
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}
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]
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}
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]
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-27T13:41:26.633961Z",
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"id": "CVE-2026-74233",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-27T13:41:32.924Z"
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}
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}
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]
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}
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} |