CVE-2025-34043

Public Exploit
Vacron NVR Remote Command Execution

Description

A remote command injection vulnerability exists in Vacron Network Video Recorder (NVR) devices v1.4 due to improper input sanitization in the board.cgi script. The vulnerability allows unauthenticated attackers to pass arbitrary commands to the underlying operating system via crafted HTTP requests. These commands are executed with the privileges of the web server process, enabling remote code execution and potential full device compromise.

Category

10.0
CVSS
Severity: Critical
CVSS 4.0 •
EPSS 0.32%
Third-Party Advisory tenable.com Third-Party Advisory sonicwall.com Third-Party Advisory ssd-disclosure.com Third-Party Advisory broadcom.com Third-Party Advisory vulncheck.com
Affected: Vacron Network Video Recorder (NVR)
Published at:
Updated at:

References

Link Tags
https://www.tenable.com/plugins/nessus/104124 third party advisory
https://www.sonicwall.com/blog/vacron-network-video-recorder-remote-command-execution technical description third party advisory signature
https://ssd-disclosure.com/ssd-advisory-vacron-nvr-remote-command-execution/ third party advisory exploit
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=30386 third party advisory
https://vulncheck.com/advisories/vacron-nvr-remote-command-execution third party advisory
https://www.vacron.com/ product

Frequently Asked Questions

What is the severity of CVE-2025-34043?
CVE-2025-34043 has been scored as a critical severity vulnerability.
How to fix CVE-2025-34043?
To fix CVE-2025-34043, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-34043 being actively exploited in the wild?
It is possible that CVE-2025-34043 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-34043?
CVE-2025-34043 affects Vacron Network Video Recorder (NVR).
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