CVE-2025-34043

Vacron NVR Remote Command Execution

State: Published
Severity: 10.0 Critical
Published: Jun 26, 2025
Updated: Jul 14, 2026
Reserved: Apr 15, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	10.0 Critical	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	VulnCheck

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-20 Improper Input Validation

Affected Products

Product	Versions
Network Video Recorder (NVR)Vacron	1.4Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.