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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.

PUBLISHED Reserved 2025-04-15 | Published 2025-06-26 | Updated 2026-05-14 | Assigner VulnCheck




CRITICAL: 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

Problem types

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

CWE-20 Improper Input Validation

Product status

Default status
unaffected

1.4 (custom)
affected

References

ssd-disclosure.com/...y-vacron-nvr-remote-command-execution/ exploit

www.tenable.com/plugins/nessus/104124 third-party-advisory

www.sonicwall.com/...video-recorder-remote-command-execution third-party-advisory signature technical-description

ssd-disclosure.com/...y-vacron-nvr-remote-command-execution/ third-party-advisory exploit

www.broadcom.com/...enter/attacksignatures/detail?asid=30386 third-party-advisory

vulncheck.com/advisories/vacron-nvr-remote-command-execution third-party-advisory

www.vacron.com/ product

cve.org (CVE-2025-34043)

nvd.nist.gov (CVE-2025-34043)

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