CVE-2025-34056: Avtech IP Camera, Dvr, And NVR Devices

Critical severity, CVSS 9.4. EPSS: 1.8% chance of exploitation in the next 30 days.

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.

Affected products

• Avtech IP Camera, Dvr, And NVR Devices: version 0 only

Published 2025-07-01. Last modified 2026-06-17.