{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66174", "assignerOrgId": "da451dce-859b-4e51-8b87-9c8b60d19b32", "state": "PUBLISHED", "assignerShortName": "hikvision", "dateReserved": "2025-11-24T08:59:35.903Z", "datePublished": "2025-12-19T06:39:51.404Z", "dateUpdated": "2025-12-19T06:45:55.453Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "There is an improper authentication vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and run a series of commands."}], "affected": [{"vendor": "Hikvision", "product": "DS-7104HGHI-F1", "versions": [{"version": "Versions below V4.30.122_201107 (including V4.30.122_201107)", "status": "affected"}]}, {"vendor": "Hikvision", "product": "DS-7204HGHI-F1", "versions": [{"version": "Versions below V4.30.122_201107 (including V4.30.122_201107)", "status": "affected"}]}], "references": [{"url": "https://www.hikvision.com/en/support/cybersecurity/security-advisory/serial-port-privilege-escalation-vulnerabilities-in-some-hikvision-nvr-devices/"}], "credits": [{"lang": "en", "value": "Aaron J Jose", "type": "finder"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"}}], "providerMetadata": {"orgId": "da451dce-859b-4e51-8b87-9c8b60d19b32", "shortName": "hikvision", "dateUpdated": "2025-12-19T06:45:55.453Z"}, "x_generator": {"engine": "cveClient/1.0.15"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "There is an improper authentication vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and run a series of commands."}], "id": "CVE-2025-66174", "lastModified": "2025-12-19T07:16:01.817", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "hsrc@hikvision.com", "type": "Secondary"}]}, "published": "2025-12-19T07:16:01.817", "references": [{"source": "hsrc@hikvision.com", "url": "https://www.hikvision.com/en/support/cybersecurity/security-advisory/serial-port-privilege-escalation-vulnerabilities-in-some-hikvision-nvr-devices/"}], "sourceIdentifier": "hsrc@hikvision.com", "vulnStatus": "Received"}

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