Paper/Archive/CVE-2025-34043

CVE-2025-34043

Vacron Network Video Recorder (NVR) — Vacron NVR Remote Command Execution

CVSS 10.0 (CNA)10.0 / 10 × 3030.0 Not in CISA KEV+300.0 EPSS percentile 94.5.945 × 2018.9 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

Network Video Recorder (NVR)1.4–CNA

Scores by source

VulnCheck (CNA)10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

writeuptenable.com/plugins/nessus/104124 writeupsonicwall.com/blog/vacron-network-video-recorder-remote-command-execution exploitssd-disclosure.com/ssd-advisory-vacron-nvr-remote-command-execution writeupbroadcom.com/support/security-center/attacksignatures/detail?asid=30386 writeupvulncheck.com/advisories/vacron-nvr-remote-command-execution refvacron.com