What is the CVSS score of CVE-2025-34043?

CVE-2025-34043 has a CVSS 4.0 base score of 10.0 (Critical). CVSS 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 exploitation probability: 0.6%.

Which versions of Vacron Network Video Recorder are affected by CVE-2025-34043?

CVE-2025-34043 presents critical security risk, a input validation vulnerability rated CVSS 10.0.

Is there a public PoC exploit available for CVE-2025-34043?

Yes, a public proof-of-concept exploit is available for CVE-2025-34043. Prioritise patching immediately. EPSS: 0.6%.

How to fix or mitigate CVE-2025-34043?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Vacron Network Video Recorder CVE-2025-34043

EUVD-2025-19211 CRITICAL

Improper Input Validation (CWE-20)

2025-06-26 disclosure@vulncheck.com

RCE Command Injection

10.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 23:54 euvd

EUVD-2025-19211

Analysis Generated

Mar 15, 2026 - 23:54 vuln.today

CVE Published

Jun 26, 2025 - 16:15 nvd

CRITICAL 10.0

DescriptionCVE.org

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.

Analysis

Technical ContextAI

Remote code execution allows an attacker to run arbitrary commands or code on the target system over a network without prior authentication. This vulnerability is classified as Improper Input Validation (CWE-20).

RemediationAI

Apply vendor patches immediately. Restrict network access to vulnerable services. Implement network segmentation and monitoring for anomalous activity.