CVE-2025-34056

CVE-2025-34056 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.4. 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-20.

Key facts

Description

An OS command injection vulnerability exists in AVTECH IP camera, DVR, and NVR devices via the PwdGrp.cgi endpoint, which handles user and group management operations. Authenticated users can supply input through the pwd or grp parameters, which are directly embedded into system commands without proper sanitation. This allows for the execution of arbitrary shell commands with root privileges.

Frequently asked questions

What is CVE-2025-34056?
An OS command injection vulnerability exists in AVTECH IP camera, DVR, and NVR devices via the PwdGrp.cgi endpoint, which handles user and group management operations. Authenticated users can supply input through the pwd or grp parameters, which are directly embedded into system commands without proper sanitation. This allows for the execution of arbitrary shell commands with root privileges.
How severe is CVE-2025-34056?
CVE-2025-34056 has a CVSS 4.0 base score of 9.4, rated critical severity.
Is CVE-2025-34056 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-34056?
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-2025-34056 have an EU (EUVD) identifier?
Yes. CVE-2025-34056 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19642.
When was CVE-2025-34056 published?
CVE-2025-34056 was published on 2025-07-01 and last updated on 2026-06-17.

References

Other CWE-20 (Improper Input Validation) vulnerabilities

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