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2 vulnerabilities found for softethervpn by softether

CVE-2026-39312 (GCVE-0-2026-39312)

Vulnerability from nvd – Published: 2026-04-07 16:52 – Updated: 2026-04-07 17:27
VLAI?
Title
Pre-Auth EAP-TLS DoS on SoftEther VPN Developer Edition
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
Impacted products
Vendor Product Version
SoftEtherVPN SoftEtherVPN Affected: <= 5.2.5188
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-39312 (GCVE-0-2026-39312)

Vulnerability from cvelistv5 – Published: 2026-04-07 16:52 – Updated: 2026-04-07 17:27
VLAI?
Title
Pre-Auth EAP-TLS DoS on SoftEther VPN Developer Edition
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
Impacted products
Vendor Product Version
SoftEtherVPN SoftEtherVPN Affected: <= 5.2.5188
Create a notification for this product.
Show details on NVD website
To clipboard 

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