CVE-2025-25567

State: Published
Severity: 9.8 Critical
Published: Mar 12, 2025
Updated: Jul 19, 2025
Reserved: Feb 7, 2025

Description

SoftEther VPN 5.02.5187 is vulnerable to Buffer Overflow in Internat.c via the UniToStrForSingleChars function. NOTE: the Supplier disputes this because the behavior only enables a local user to attack himself through the UI,

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://lzydry.github.io/CVE-2025-25567/
https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25567.pdf

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