CVE-2025-25567CRITICAL 9.8EPSS p41.8%

CVE-2025-25567CVE-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,

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.55% probability of exploitation · percentile 41.8% · 2026-06-18T12:00:27Z
Published2025-03-12
Last modified2025-07-19

Underlying weaknesses· 1

CWE-120

References

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

1

TypeTargetConfidenceTier
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2025-25565
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CVE-2025-12106
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CVE-2025-22467
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CVE-2025-49657
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.