CVE-2025-25567

Published Mar 12, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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,

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-6775 SoftEther VPN 5.02.5187 is vulnerable to Buffer Overflow in Internat.c via the UniToStrForSingleChars function.
History
Type Values Removed Values Added
Description SoftEther VPN 5.02.5187 is vulnerable to Buffer Overflow in Internat.c via the UniToStrForSingleChars function. 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,
References
Type Values Removed Values Added
Metrics epss

{'score': 0.00064}

epss

{'score': 0.00088}

Type Values Removed Values Added
First Time appeared Softether
Softether vpn
CPEs cpe:2.3:a:softether:vpn:5.02.5187:*:*:*:*:*:*:*
Vendors & Products Softether
Softether vpn
Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description SoftEther VPN 5.02.5187 is vulnerable to Buffer Overflow in Internat.c via the UniToStrForSingleChars function.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 19, 2025, 1:29 AM
Reserved
Feb 7, 2025, 12:00 AM
Status
Modified
Published
Mar 12, 2025, 4:15 PM
Modified
Jun 17, 2026, 9:00 AM