Critical severity9.8NVD Advisory· Published Mar 12, 2025· Updated Jun 17, 2026

CVE-2025-25567

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,

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

SoftEther VPN/SoftEther VPNdescription
Softethervpn/Softethervpnllm-fuzzy
Range: 5.02.5187

Patches

Vulnerability mechanics

References

lzydry.github.io/CVE-2025-25567/nvdExploit
filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25567.pdfnvd

News mentions

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