CVE-2025-66173

MEDIUM

Hikvision DVR - Privilege Escalation

Title source: llm

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.

References (1)

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

Scores

CVSS v3 6.2

EPSS 0.0010

EPSS Percentile 28.2%

Attack Vector PHYSICAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-269

Status published

Products (2)

hikvision/ds-7104hghi-f1_firmware < 4.30.122_201107

hikvision/ds-7204hghi-f1_firmware < 4.30.122_201107

Published Dec 19, 2025

Tracked Since Feb 18, 2026