CVE-2025-66173 Privilege escalation in DS-7104HGHI-F1
An attacker with physical access can exploit improper serial port authentication to gain an unrestricted shell environment on Hikvision DVRs.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66173?
CVE-2025-66173 is a medium-severity vulnerability in Hikvision DS-7104HGHI-F1, published on 19 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2025-66173?
It affects 2 products.
Products include Hikvision Ds-7104hghi-F1 Firmware, Hikvision Ds-7204hghi-F1 Firmware.
How do I fix CVE-2025-66173?
No fix has been published for CVE-2025-66173 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66173 being exploited?
There is no known exploitation of CVE-2025-66173 in the wild and no public exploit code.
Other vulnerabilities in Hikvision DS-7104HGHI-F1
Sources
Also known as GHSA-3cxw-q7h6-95gj.