197 lines
7.7 KiB
JSON
197 lines
7.7 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-2021-47854",
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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": "2026-01-14T17:11:19.903Z",
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"datePublished": "2026-01-21T17:27:38.228Z",
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"dateUpdated": "2026-07-28T01:47:25.803Z"
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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": "2026-07-28T01:47:25.803Z"
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},
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"datePublic": "2021-03-24T00:00:00.000Z",
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"title": "DD-WRT 45723 - UPNP Buffer Overflow",
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"descriptions": [
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{
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"lang": "en",
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"value": "DD-WRT version 45723 contains a buffer overflow vulnerability in the UPNP network discovery service that allows remote attackers to potentially execute arbitrary code. Attackers can send crafted M-SEARCH packets with oversized UUID payloads to trigger buffer overflow conditions on the target device."
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}
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],
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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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"description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
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"cweId": "CWE-120",
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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": "embeDD GmbH",
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"product": "DD-WRT",
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"versions": [
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{
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"version": "45723",
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"status": "affected"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:dd-wrt:dd-wrt:45723:*:*:*:*:*:*:*"
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}
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]
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "NETWORK",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"exploitMaturity": "NOT_DEFINED",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "HIGH",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS"
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},
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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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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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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"references": [
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{
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"url": "https://www.exploit-db.com/exploits/49730",
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"name": "ExploitDB-49730",
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"tags": [
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"exploit"
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]
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},
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{
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"url": "https://dd-wrt.com/",
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"name": "DD-WRT Official Vendor Homepage",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2021/",
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"name": "DD-WRT Software Download Repository",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://ssd-disclosure.com/ssd-advisory-dd-wrt-upnp-buffer-overflow/",
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"name": "SSD Security Advisory for DD-WRT UPNP Buffer Overflow",
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"tags": [
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"technical-description"
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]
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},
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{
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"name": "VulnCheck Advisory: DD-WRT 45723 - UPNP Buffer Overflow",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/dd-wrt-upnp-buffer-overflow"
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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": "Selim Enes 'Enesdex' Karaduman",
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"type": "finder"
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}
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],
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"x_generator": {
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"engine": "vulncheck"
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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": "2026-01-22T15:11:46.923237Z",
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"id": "CVE-2021-47854",
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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": "2026-01-22T15:11:53.533Z"
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}
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}
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]
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}
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} |