CVE-2025-25567

CRITICAL EPSS 42.0%

Published Mar 12, 20251y ago · Modified Jun 17, 20262w ago

9.8 CVSS 3.1

Critical

Published Mar 12, 2025 1y ago

Last Modified Jun 17, 2026 2w ago

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,

CVSS Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

42.0% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-120

Affected Products 1

Vendor	Product	Version	Range
softether	vpn	5.02.5187	any

References 2

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

Exploit

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.