CVE-2025-66173

Published: Dec 19, 2025Modified: Dec 23, 2025

6.2

Vector

CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitability: 0.3 / Impact: 5.9

Source: hsrc@hikvision.com (Secondary)

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.

Affected (2)

Products: Hikvision: Ds 7104hghi F1 Firmware, Ds 7204hghi F1 Firmware

Hikvision

2 products

Ds 7104hghi F1 Firmware

Ds 7204hghi F1 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Hikvision Ds 7104hghi F1 Firmware	Up to 4.30.122_201107

Running on/with	Platform Versions
Hikvision Ds 7104hghi F1	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Hikvision Ds 7204hghi F1 Firmware	Up to 4.30.122_201107

Running on/with	Platform Versions
Hikvision Ds 7204hghi F1	All versions

Related CWEs

CWE-269

Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

References (1)

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

Source: hsrc@hikvision.com

Vendor Advisory

Timeline

No history available yet.