CVE-2025-34054 json
AVTECH IP camera, DVR, and NVR Devices Unauthenticated Command Injection
published 2025-07-01 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19644
- cvss
- 10.0
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
An unauthenticated command injection vulnerability exists in AVTECH DVR devices via Search.cgi?action=cgi_query. The use of wget without input sanitization allows attackers to inject shell commands through the username or queryb64str parameters, executing commands as root. Exploitation evidence was observed by the Shadowserver Foundation on 2025-01-04 UTC.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 16 mo ago
Exploit prediction
2.74% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/40500 referenced PoC, tagged "exploit" by a source, unverified
- web.archive.org https://web.archive.org/web/20161029201749/https://github.com/ebux/AVTECH referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 10.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| CNA | 4.0 | 10.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:X |
Affected products
- AVTECH IP camera, DVR, and NVR Devices
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
exploit-db.com
/exploits/40500
exploit
-
web.archive.org
/web/20161029201749/https://github.com/ebux/AVTECH
exploit
-
avtech.com
/
product
-
web.archive.org
/web/20240810225729/https://www.search-lab.hu/advisories/126-AVTech-devices-multiple-vulnerabilities
third-party-advisory, technical-description
-
vulncheck.com
/advisories/avtech-ipcamera-nvr-dvr-mulitple-vulns
third-party-advisory
Sources
- CVE List CVE-2025-34054
- NVD CVE-2025-34054
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.