CVE-2025-34056

AVTECH IP camera, DVR, and NVR Devices Authenticated Root Command Execution

State: Published
Severity: 9.4 Critical
Published: Jul 1, 2025
Updated: Apr 7, 2026
Reserved: Apr 15, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H	VulnCheck

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-20 Improper Input Validation

Affected Products

Product	Versions
IP camera, DVR, and NVR DevicesAVTECH	0Affected

References

https://www.exploit-db.com/exploits/40500exploit
https://avtech.com/product
https://web.archive.org/web/20240810225729/https://www.search-lab.hu/advisories/126-AVTech-devices-multiple-vulnerabilitiesthird-party-advisorytechnical-description
https://web.archive.org/web/20161029201749/https://github.com/ebux/AVTECHexploit
https://vulncheck.com/advisories/avtech-ipcamera-nvr-dvr-mulitple-vulnsthird-party-advisory

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