CVE-2025-25566
mediumpriority · track · 0EPSS 0.003 · 24 %ileEUUSEPSS · scored 2026-10-28
Memory Leak vulnerability in SoftEtherVPN 5.02.5187 allows an attacker to cause a denial of service via the UnixMemoryAlloc function. NOTE: the Supplier disputes this because the behavior is limited to a single allocation of a few hundred bytes with a command-line tool.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25566.pdfcnnvd
- https://lzydry.github.io/CVE-2025-25566/cnnvd
- https://www.softether.org/5-downloadPatchcnnvd
- https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25566.pdfenisa_euvd
- https://lzydry.github.io/CVE-2025-25566/enisa_euvd
- https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25566.pdfnvd
- https://lzydry.github.io/CVE-2025-25566/Exploitnvd
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