CVE-2025-34056 AVTECH IP camera, DVR, and NVR Devices Authenticated Root Command Execution
Authenticated attackers can execute arbitrary shell commands with root privileges on AVTECH IP cameras, DVRs, and NVRs via the PwdGrp.cgi endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34056?
CVE-2025-34056 is a critical command injection vulnerability in AVTECH IP camera, DVR, and NVR Devices, published on 1 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An OS command injection vulnerability exists in AVTECH IP camera, DVR, and NVR devices via the PwdGrp.cgi endpoint, which handles user and group management operations. Authenticated users can supply input through the pwd or grp parameters, which are directly embedded into system commands without proper sanitation. This allows for the execution of arbitrary shell commands with root privileges.
Which versions are affected by CVE-2025-34056?
How do I fix CVE-2025-34056?
No fix has been published for CVE-2025-34056 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-34056 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34056 exists.
Sources
Also known as GHSA-p635-mc4f-9vx8.