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CVE-2025-66173

MEDIUMCVSS 6.2/10EPSS 0.19%

Last modified

CVE-2025-66173 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.2/10

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

EPSS Probability
0.19%

8.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HikvisionDs-7104hghi-F1 Firmware<= 4.30.122_201107
HikvisionDs-7204hghi-F1 Firmware<= 4.30.122_201107

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-66173?
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.
How severe is CVE-2025-66173?
CVE-2025-66173 has a CVSS score of 6.2/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2025-66173?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66173?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST