CVE-2023-22325

Summary

CVE-2023-22325 is a denial-of-service vulnerability affecting SoftEther VPN versions 4.41-9782-beta, 5.01.9674, and 5.02. The DCRegister DDNS_RPC_MAX_RECV_SIZE functionality in these versions contains a flaw. An attacker can exploit this vulnerability by transmitting a specially crafted network packet, resulting in a denial-of-service condition. The flaw opens the door for man-in-the-middle attacks, making it essential for users to update their VPN software to protect against potential attacks.

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