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vuln-cve/data/2026/75xxx/CVE-2026-75489.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-75489",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-08-17T20:07:25.283Z",
"datePublished": "2026-11-13T09:36:57.850Z",
"dateUpdated": "2026-11-13T15:52:55.071Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-11-13T09:36:57.850Z"
},
"datePublic": "2026-11-12T00:00:00.000Z",
"title": "Cudy TR3000 before 2.5.42 SMT Message Forgery via Probe Request Vendor IE",
"descriptions": [
{
"lang": "en",
"value": "Cudy TR3000 before 2.5.42 contains an insufficient verification of data authenticity vulnerability in the mt_wifi Smart Mesh Technology (SMT) onboarding, which protects messages only with an AES-CBC key derived from public values and a CRC32 check. Adjacent unauthenticated attackers can forge SMT messages in Probe Request vendor IEs carrying an attacker-chosen SSID and pre-shared key, forcing unpaired devices to join attacker-controlled access points."
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Insufficient Verification of Data Authenticity",
"cweId": "CWE-345",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "Shenzhen Cudy Technology Co., Ltd.",
"product": "TR3000 1.0",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThan": "2.5.42",
"status": "affected",
"versionType": "semver"
},
{
"version": "2.5.42",
"status": "unaffected",
"versionType": "semver"
}
]
}
],
"metrics": [
{
"format": "CVSS",
"cvssV4_0": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
"attackVector": "ADJACENT",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM"
}
},
{
"format": "CVSS",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 6.8,
"baseSeverity": "MEDIUM"
}
}
],
"references": [
{
"url": "https://www.cudy.com/en-us/pages/download-center/tr3000-1-0",
"tags": [
"release-notes"
],
"name": "Cudy TR3000 1.0 Download Center"
},
{
"url": "https://d1jvyy13vm72kv.cloudfront.net/device/upgrade/m_upgrade_TR3000_256MB_Flash-R103-2.5.42-20261103-160202-sysupgrade_82672.zip",
"tags": [
"patch"
],
"name": "Cudy TR3000 Firmware 2.5.42"
},
{
"name": "VulnCheck Advisory: Cudy TR3000 before 2.5.42 SMT Message Forgery via Probe Request Vendor IE",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/cudy-tr3000-before-2.5.42-smt-message-forgery-via-probe-request-vendor-ie"
}
],
"x_generator": {
"engine": "vulncheck-endgame"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-11-13T15:30:52.701235Z",
"id": "CVE-2026-75489",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-13T15:52:55.071Z"
}
}
]
}
}