What is CVE-2025-34054?
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.
The record classifies CVE-2025-34054 under weakness class CWE-78. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 484 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 10 — Critical (derived from score)
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 - EPSS (FIRST)
- 2.7% probability of exploitation in the next 30 days, higher than 85.7% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2025-07-01, last modified 2026-04-07
Is CVE-2025-34054 being exploited?
Weaponised exploit code for CVE-2025-34054 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 34 in the Threadlinqs vulnerability feed.
- trickest/cve (trickest)
Affected products and versions
- AVTECH: IP camera, DVR, and NVR Devices
How to fix CVE-2025-34054
No vendor patch reference has been recorded for CVE-2025-34054 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2025-34054
1 tracked threat in the Threadlinqs corpus references CVE-2025-34054, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.