What’s Vulnerable › Vulnerabilities

CVE-2025-34051: AVTECH DVR Devices Server-Side Request Forgery

• Severity: medium (CVSS 6.9 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-01 · updated 2026-06-17
• Weakness: CWE-200

Description

A server-side request forgery vulnerability exists in multiple firmware versions of AVTECH DVR devices that exposes the /cgi-bin/nobody/Search.cgi?action=cgi_query endpoint without authentication. An attacker can manipulate the ip, port, and queryb64str parameters to make arbitrary HTTP requests from the DVR to internal or external systems, potentially exposing sensitive data or interacting with internal services.

Affected products

• AVTECH DVR devices: 1001-1000-1000-1000, 1001-1000-1001-1001, 1002-1000-1002-1001, 1002-1001-1001-1001, 1004-1002-1001-1000, 1004-1002-1003-1000-FFFF (+65)

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

Get alerted when CVE-2025-34051 or the next vulnerability affects your stack