CVE-2025-34043 | A remote command injection vulnerability exists in Vacron Ne… | CVSS 10.0 CRITICAL

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.

Metadata

CVE ID: CVE-2025-34043
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2025-04-15 19:15 UTC
Published: 2025-06-26 15:51 UTC
Last updated: 2026-07-14 22:25 UTC
Primary CWE: CWE-78
CWE-78 Improper Neutralization of Special Elements used in a…
Vendor / Product: Vacron / Network Video Recorder (NVR)
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 4.0

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Vacron	Network Video Recorder (NVR)	—	1.4

Weakness (CWE)

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

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	4.0	cna	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

References (6)