CVE-2025-12106

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-12106
StatePUBLISHED
AssignerOpenVPN
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-01 13:16:00 UTC
Updated2026-09-26 00:10:00 UTC
DescriptionInsufficient 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

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from ADP

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

EPSS: 0.005560000 probability, percentile 0.441190000 (date 2026-09-27)

Problem Types: CWE-126 | CWE-126 CWE-126: Buffer Over-read

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openvpn Openvpn 2.6.13 All All All
Application Openvpn Openvpn 2.7 alpha1 All All
Application Openvpn Openvpn 2.7 alpha2 All All
Application Openvpn Openvpn 2.7 alpha3 All All
Application Openvpn Openvpn 2.7 beta1 All All
Application Openvpn Openvpn 2.7 beta2 All All
Application Openvpn Openvpn 2.7 beta3 All All
Application Openvpn Openvpn 2.7 rc1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OpenVPN OpenVPN affected 2.7_alpha1 2.7_rc1 semver Not specified

References

ReferenceSourceLinkTags
www.mail-archive.com/[email protected]/msg00152.html [email protected] www.mail-archive.com Mailing List
community.openvpn.net/Security%20Announcements/CVE-2025-12106 [email protected] community.openvpn.net Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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