CVE-2025-25566
MEDIUM EPSS 20.9%
Published Mar 12, 20251y ago · Modified Jun 17, 20262w ago
5.6 CVSS 3.1
Published Mar 12, 2025 1y ago
Last Modified Jun 17, 2026 2w ago
Description
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low
Threat Intelligence
EPSS Exploit Probability
20.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-401
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| softether | vpn | 5.02.5187 | any |
References 2
- filecenter.softether-upload.com https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25566.pdf
- lzydry.github.io https://lzydry.github.io/CVE-2025-25566/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.