CVE-2025-25565

SoftEther VPN 5.02.5187 is vulnerable to Buffer Overflow in the Command.c file via the PtMakeCert and PtMakeCert2048 functions. NOTE: the Supplier disputes this because the behavior only allows a user to attack himself by typing a long string on a command line.

More information : https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25565.pdf