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Vulnerabilities

Vulnerability · CVE-2025-34054

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Published Oct 22, 2020 · catalog updated Oct 22, 2020 · AVTECH IP Camera/NVR/DVR

Patch now

CVE-2025-34054 is in the CISA known-exploited catalog. Confirm AVTECH IP Camera/NVR/DVR against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.74%
Remediation
Remediation guidance
Affected products
vendor AVTECH IP Camera/NVR/DVR

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor AVTECH IP Camera/NVR/DVRversion unspecified

How to fix CVE-2025-34054

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-34054 is in the CISA known-exploited catalog. Confirm AVTECH IP Camera/NVR/DVR against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 2.74%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 22, 2020 · VulnCheck KEV

    Detected

    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.

  2. Oct 22, 2020 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2025-34054

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-34054

    30-day exploitation probability 2.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-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. Exploi

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.