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CVE-2025-25567

Published: Mar 12, 2025Updated: Jul 19, 2025 Sources: CVE List NVDCWE-120
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.6%
Top 58.3%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-120

Affected Products

vpnsoftether
On-prem
Networking Infrastructure / vpn-gateway
n/an/a
softetheross-projectNetworking Infrastructureaka softether vpn, softether vpn server

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

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

Timeline

Published
Mar 12, 2025
Last Updated
Jul 19, 2025

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