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Vulnerability Details CVE-2025-66173

There is a privilege escalation 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 gaining access to an unrestricted shell environment.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 23.9%

CVSS Severity

CVSS v3 Score 6.2

References

https://www.hikvision.com/en/support/cybersecurity/security-advisory/serial-port-privilege-escalation-vulnerabilities-in-some-hikvision-nvr-devices/

Products affected by CVE-2025-66173

Hikvision » Ds-7104hghi-F1 » Version: N/A

cpe:2.3:h:hikvision:ds-7104hghi-f1:-
Hikvision » Ds-7204hghi-F1 » Version: N/A

cpe:2.3:h:hikvision:ds-7204hghi-f1:-
Hikvision » Ds-7104hghi-F1 Firmware » Version: Any

cpe:2.3:o:hikvision:ds-7104hghi-f1_firmware:*
Hikvision » Ds-7204hghi-F1 Firmware » Version: 4.0.1

cpe:2.3:o:hikvision:ds-7204hghi-f1_firmware:4.0.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-66173

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