Exploitation Summary
CVE-2025-34043 has been observed exploited in the wild (reported by VulnCheck KEV).
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.
References (6)
Core 6
Core References
Third Party Advisory third-party-advisory
https://vulncheck.com/advisories/vacron-nvr-remote-command-execution
Third Party Advisory third-party-advisory
https://www.tenable.com/plugins/nessus/104124
Various Sources third-party-advisory
signature
technical-description
https://www.sonicwall.com/blog/vacron-network-video-recorder-remote-command-execution
Various Sources third-party-advisory
exploit
https://ssd-disclosure.com/ssd-advisory-vacron-nvr-remote-command-execution/
Various Sources third-party-advisory
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=30386
Various Sources product
https://www.vacron.com/
Scores
CVSS v4
10.0
EPSS
0.0900
EPSS Percentile
94.6%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
VulnCheck KEV
2017-10-20
CWE
CWE-20
CWE-78
Status
published
Products (1)
Vacron/Network Video Recorder (NVR)
1.4
Published
Jun 26, 2025
Tracked Since
Feb 18, 2026