What’s Vulnerable › Vulnerabilities

CVE-2025-25567

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-12 · updated 2026-06-17
• Weakness: CWE-120

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,

Affected products

• SoftEther VPN: 5.02.5187

References

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

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