CVE-2025-34054

CVE-2025-34054 is a critical-severity vulnerability with a CVSS 4.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Description

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.

Frequently asked questions

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.
How severe is CVE-2025-34054?
CVE-2025-34054 has a CVSS 4.0 base score of 10.0, rated critical severity.
Is CVE-2025-34054 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-34054?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-34054 have an EU (EUVD) identifier?
Yes. CVE-2025-34054 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19644.
When was CVE-2025-34054 published?
CVE-2025-34054 was published on 2025-07-01 and last updated on 2026-06-17.

References

Other CWE-78 (OS Command Injection) vulnerabilities

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