CVE-2025-34043

CRITICAL EPSS 94.6%
Published Jun 26, 20251y ago · Modified Jun 17, 20261w ago
10.0 CVSS 4.0
Critical
Find Similar
Published Jun 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
10.0
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
94.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation
CWE-78 OS Command Injection Injection

References 6

  • ssd-disclosure.com https://ssd-disclosure.com/ssd-advisory-vacron-nvr-remote-command-execution/
  • vulncheck.com https://vulncheck.com/advisories/vacron-nvr-remote-command-execution
  • broadcom.com https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=30386
  • sonicwall.com https://www.sonicwall.com/blog/vacron-network-video-recorder-remote-command-execution
  • tenable.com https://www.tenable.com/plugins/nessus/104124
  • vacron.com https://www.vacron.com/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.