CVE-2025-12106

CRITICAL EPSS 40.7%
Published Dec 1, 20257mo ago · Modified Jun 17, 20261w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Dec 1, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
40.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-126

Affected Products 8

VendorProductVersionRange
openvpnopenvpn2.6.13any
openvpnopenvpn2.7any
openvpnopenvpn2.7any
openvpnopenvpn2.7any
openvpnopenvpn2.7any
openvpnopenvpn2.7any
openvpnopenvpn2.7any
openvpnopenvpn2.7any

References 2

  • community.openvpn.net https://community.openvpn.net/Security%20Announcements/CVE-2025-12106
    Vendor Advisory
  • mail-archive.com https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html
    Mailing List

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.