Critical severity9.0NVD Advisory· Published Oct 12, 2023· Updated Jun 17, 2026
CVE-2023-27395
CVE-2023-27395
Description
A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket() functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to arbitrary code execution. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
54.41-9782-beta, 5.01.9674, 5.02+ 3 more
- (no CPE)range: 4.41-9782-beta, 5.01.9674, 5.02
- cpe:2.3:a:softether:vpn:4.41-9782:beta:*:*:*:*:*:*
- cpe:2.3:a:softether:vpn:5.01.9674:*:*:*:*:*:*:*
- cpe:2.3:a:softether:vpn:5.02:*:*:*:*:*:*:*
- SoftEther VPN/SoftEther VPNv5Range: 4.41-9782-beta
Patches
Vulnerability mechanics
References
3- www.softether.org/9-about/News/904-SEVPN202301nvdPatchVendor Advisory
- talosintelligence.com/vulnerability_reports/TALOS-2023-1735nvdExploitThird Party Advisory
- www.talosintelligence.com/vulnerability_reports/TALOS-2023-1735nvd
News mentions
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