CVE-2025-66174: Medium severity Hikvision Ds-7104hghi-f1 Firmware vulnerability

Published Dec 19, 2025
·
Updated

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.

Affected Software

4 affected components
All of the following
Hikvision Ds-7104hghi-f1 Firmware<=4.30.122_201107
Hikvision Ds-7104hghi-f1
All of the following
Hikvision Ds-7204hghi-f1 Firmware<=4.30.122_201107
Hikvision DS-7204HGHI-F1

Event History

Dec 19, 2025
CVE Published
via MITRE·06:39 AM
Data Sourced
via MITRE·06:39 AM
DescriptionSeverity
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-66174?

CVE-2025-66174 is considered a high severity vulnerability due to the potential for unauthorized access via the serial port.

2

How do I fix CVE-2025-66174?

To mitigate CVE-2025-66174, ensure that firmware is updated to the latest version provided by Hikvision that addresses this vulnerability.

3

Which Hikvision products are affected by CVE-2025-66174?

CVE-2025-66174 affects Hikvision DVR models DS-7104HGHI-F1 and DS-7204HGHI-F1 with specific firmware versions.

4

Who can exploit CVE-2025-66174?

An attacker with physical access to the affected Hikvision devices can exploit CVE-2025-66174 to execute unauthorized commands.

5

What type of vulnerability is CVE-2025-66174?

CVE-2025-66174 is categorized as an improper authentication vulnerability.

Contact

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