CVE-2025-34053

AVTECH IP camera, DVR, and NVR Devices Authentication Bypass via .cab Path Manipulation

CVSS 6.9 MEDIUMEPSS 0.5%CWE-290

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Jul 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An authentication bypass vulnerability exists in AVTECH IP camera, DVR, and NVR devices’ streamd web server. The strstr() function is used to identify ".cab" requests, allowing any URL containing ".cab" to bypass authentication and access protected endpoints.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Affected products

AVTECH · IP camera, DVR, and NVR devices

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References

https://avtech.com/https://vulncheck.com/advisories/avtech-ipcamera-nvr-dvr-mulitple-vulns https://web.archive.org/web/20161029201749/https://github.com/ebux/AVTECH https://web.archive.org/web/20240810225729/https://www.search-lab.hu/advisories/126-AVTech-devices-multiple-vulnerabilities https://www.exploit-db.com/exploits/40500