CVE-2025-66173

State: Published
Severity: 6.2 Medium
Published: Dec 19, 2025
Updated: Dec 19, 2025
Reserved: Nov 24, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.2 Medium	CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	hikvision

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
DS-7104HGHI-F1Hikvision	Versions below V4.30.122_201107 (including V4.30.122_201107)Affected
DS-7204HGHI-F1Hikvision	Versions below V4.30.122_201107 (including V4.30.122_201107)Affected

References

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

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