Vulnerability · Published Jun 26, 2025 · Assigned by VulnCheck
CVE-2025-34043Vacron NVR Remote Command Execution
Critical 10.0
In plain English
A critical-severity OS command injection in Network Video Recorder (NVR) from Vacron. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 7.5% (higher than 95% of all known vulnerabilities).
Official 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. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Vacron | Network Video Recorder (NVR) | 1.4 |
Weakness: CWE-78, CWE-20 · Vector: 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
References
- https://www.tenable.com/plugins/nessus/104124 third-party-advisory
- https://www.sonicwall.com/blog/vacron-network-video-recorder-remote-command-execution third-party-advisory, signature, technical-description
- 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