CVE-2025-34043CWE-20CWE-78

Vacron NVR Remote Command Execution

Critical · published June 26, 2025

CVSS v4.0
10.0
EPSS
8%
Percentile
94.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
10.0 · CRITICAL
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
EPSS
0.07505 · 94.5th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-06-26T15:51Z
EPSS history
Timeline
  • 26 JUN 15:51Z
    Vacron NVR Remote Command Execution
    cvelistv5