CVE-2025-25566

Published: Mar 12, 2025Modified: Jun 17, 2026

5.6

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitability: 2.2 / Impact: 3.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Memory Leak vulnerability in SoftEtherVPN 5.02.5187 allows an attacker to cause a denial of service via the UnixMemoryAlloc function. NOTE: the Supplier disputes this because the behavior is limited to a single allocation of a few hundred bytes with a command-line tool.

Affected (1)

Products: Softether: Vpn

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Softether Vpn	Version 5.02.5187

Related CWEs

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (2)

https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25566.pdf

Source: cve@mitre.org

https://lzydry.github.io/CVE-2025-25566/

Source: cve@mitre.org

Exploit

Timeline

No history available yet.