Description
An authentication bypass vulnerability exists in AVTECH IP camera, DVR, and NVR devices’ streamd web server. The strstr() function allows unauthenticated access to any request containing "/nobody" in the URL, bypassing login controls.
Metrics
CVSS 4.0 6.9/10
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| AVTECH | IP camera, DVR, and NVR Devices | 1000-1000-1000-1000; 1000C-1000C-1000C-1000C; 1001-1000-1000-1000; 1001-1001-1000-1000; 1002-1000-1000-1000; 1002-1002-1000-1002; 1002D-1000D-1000D-1000D; 1003-1000-1000-1001; 1003-1001-1001-1000; 1003-1002-1001-1000; 1004-1000-1000-1000; 1004-1001-1001-1001; 1004-1002-1000-1001; 1004-1003-1001-1002; 1004-1003-1002-1001; 1004A-1001A-1002A-1000A; 1005-1002-1001-1002; 1005-1003-1001-1002; 1005-1004-1002-1001; 1005A-1001A-1002A-1001A |
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
Timeline
- Published
- Jul 1, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Deferred