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CVE-2026-39312: Memory Allocation with Excessive Size Value

🗓️ 07 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated DoS in SoftEther VPN Developer Edition 5.2.5188 via malformed EAP-TLS packet.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-39312
7 Apr 202616:52
–attackerkb
circl
Circl
CVE-2026-39312
7 Apr 202619:34
–circl
cnnvd
CNNVD
SoftEther VPN 安全漏洞
7 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-39312
7 Apr 202616:52
–cve
cvelist
Cvelist
CVE-2026-39312 Pre-Auth EAP-TLS DoS on SoftEther VPN Developer Edition
7 Apr 202616:52
–cvelist
euvd
EUVD
EUVD-2026-19804
7 Apr 202616:52
–euvd
nvd
NVD
CVE-2026-39312
7 Apr 202617:16
–nvd
ptsecurity
Positive Technologies
PT-2026-30923
7 Apr 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-39312
5 Jun 202619:12
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-39312 Pre-Auth EAP-TLS DoS on SoftEther VPN Developer Edition
7 Apr 202616:52
–vulnrichment

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14 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00695
SSVC
0