CVE-2025-34043 Vacron NVR Remote Command Execution
Unauthenticated attackers can execute arbitrary OS commands on Vacron NVR devices via the board.cgi script, leading to full device compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-34043?
CVE-2025-34043 is a critical command injection vulnerability in Vacron Network Video Recorder (NVR), published on 26 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Which versions are affected by CVE-2025-34043?
How do I fix CVE-2025-34043?
No fix has been published for CVE-2025-34043 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-34043 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34043 exists.
Sources
Also known as GHSA-944p-p7rx-xv9r.