CVE-2025-66174 | BDVDB-2026-307108 Detail

HikvisionDS-7104HGHI-F1

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact low. Attack vector: network.

Weaknesses#

CWE-287 Improper Authentication

References#

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

Exploit#

No public exploit known

History#

Version 12025-12-19Record published in the CVE List.

Published

Published: 2025-12-19
Last modified: 2025-12-19

Vendor information

Vendor: Hikvision
Product: DS-7104HGHI-F1

All Hikvision vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 28.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Versions below V4.30.122_201107 (including V4.30.122_201107)
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).