CVE-2025-12106

9.1 CRITICAL

Published: December 01, 2025 Modified: December 01, 2025

Description

Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://community.openvpn.net/Security%20Announcements/CVE-2025-12106

Source: security@openvpn.net

https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html

Source: security@openvpn.net

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.1 / 10.0

EPSS (Exploit Probability)

0.1%

22th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-126

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