{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-31703","assignerOrgId":"79ee569e-7d1e-4364-98f0-3a18e2a739ad","state":"PUBLISHED","assignerShortName":"dahua","dateReserved":"2025-04-01T05:57:11.783Z","datePublished":"2026-03-18T07:13:21.911Z","dateUpdated":"2026-03-18T14:09:28.123Z"},"containers":{"cna":{"providerMetadata":{"orgId":"79ee569e-7d1e-4364-98f0-3a18e2a739ad","shortName":"dahua","dateUpdated":"2026-03-18T07:13:21.911Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-305","description":"CWE-305 Authentication bypass by primary weakness","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"affected":[{"vendor":"dahua","product":"NVR2-4KS3","versions":[{"status":"affected","version":"Versions which Build time prior to 3rd March 2026"}],"defaultStatus":"unaffected"},{"vendor":"dahua","product":"XVR4232AN-I/T","versions":[{"status":"affected","version":"Versions which Build time prior to 3rd March 2026"}],"defaultStatus":"unaffected"},{"vendor":"dahua","product":"XVR1B16H-I/T","versions":[{"status":"affected","version":"Versions which Build time prior to 3rd March 2026"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A vulnerability found in Dahua NVR/XVR device. A third-party malicious attacker with physical access to the device may gain access to a restricted shell via the serial port, and bypasses the shell's authentication mechanism to escalate privileges.","supportingMedia":[{"type":"text/html","base64":false,"value":"A vulnerability found in Dahua NVR/XVR device. A third-party malicious attacker with physical access to the device may gain access to a restricted shell via the serial port, and bypasses the shell's authentication mechanism to escalate privileges."}]}],"references":[{"url":"https://www.dahuasecurity.com/about-dahua/trust-center/dahua-psirt/security-advisory-%E2%80%93-vulnerability-found-in-dahua-nvr-xvr-device"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"PHYSICAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"LOW","baseScore":2.4,"vectorString":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-18T14:09:19.621439Z","id":"CVE-2025-31703","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":"2026-03-18T14:09:28.123Z"}}]}}