CVE-2026-39312

SoftEtherVPN is a an open-source cross-platform multi-protocol VPN Program. In 5.2.5188 and earlier, a pre-authentication denial-of-service vulnerability exists in SoftEther VPN Developer Edition 5.2.5188 (and likely earlier versions of Developer Edition). An unauthenticated remote attacker can crash the vpnserver process by sending a single malformed EAP-TLS packet over raw L2TP (UDP/1701), terminating all active VPN sessions.
Configurations

No configuration.

History

07 Apr 2026, 18:16

Type Values Removed Values Added
References () https://github.com/SoftEtherVPN/SoftEtherVPN/security/advisories/GHSA-q5g3-qhc6-pr3h - () https://github.com/SoftEtherVPN/SoftEtherVPN/security/advisories/GHSA-q5g3-qhc6-pr3h -

07 Apr 2026, 17:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-04-07 17:16

Updated : 2026-04-08 21:27


NVD link : CVE-2026-39312

Mitre link : CVE-2026-39312

CVE.ORG link : CVE-2026-39312


JSON object : View

Products Affected

No product.

CWE
CWE-789

Memory Allocation with Excessive Size Value