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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)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/SoftEtherVPN/SoftEtherVPN/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEtherVPN | SoftEtherVPN |
Affected:
<= 5.2.5188
|
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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)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/SoftEtherVPN/SoftEtherVPN/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SoftEtherVPN | SoftEtherVPN |
Affected:
<= 5.2.5188
|
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}
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