SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-66174

There is an improper authentication vulnerability in some Hikvision DVR products.

MEDIUM 6.8EPSS 0.35%

Does this matter?

Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1
6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.35% probability · 29th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
hikvision/ds-7104hghi-f1 firmware · hikvision/ds-7204hghi-f1 firmware
Source
hsrc@hikvision.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.