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CVE-2025-25566

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SoftEther VPN是SoftEther开源的一款免费开源、跨平台、多协议的 VPN 软件。用于提供安全、灵活和高效的网络连接，绕过地理限制。 SoftEther VPN 5.02.5187版本存在安全漏洞，该漏洞源于UnixMemoryAlloc函数存在内存泄漏，可能导致拒绝服务。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.30% · P23

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-25566

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SoftEther VPN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SoftEther VPN是SoftEther开源的一款免费开源、跨平台、多协议的 VPN 软件。用于提供安全、灵活和高效的网络连接，绕过地理限制。 SoftEther VPN 5.02.5187版本存在安全漏洞，该漏洞源于UnixMemoryAlloc函数存在内存泄漏，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2025-25566

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2025-25566

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Vendor Advisories for CVE-2025-25566 (1)

Security Blog Posts for CVE-2025-25566 (1)

Same Patch Batch · n/a · 2025-03-12 · 14 CVEs total

CVE-2025-25711 8.8 HIGH DTP tNexus Airport View 安全漏洞
CVE-2025-25709 7.5 HIGH DTP tNexus Airport View 安全漏洞
CVE-2025-27914 Zimbra Collaboration Server 安全漏洞
CVE-2025-27915 Zimbra Collaboration Server 安全漏洞
CVE-2024-27763 BasicSR 安全漏洞
CVE-2025-26260 Plenti 安全漏洞
CVE-2025-25565 SoftEther VPN 安全漏洞
CVE-2025-25568 SoftEther VPN 安全漏洞
CVE-2025-25567 SoftEther VPN 安全漏洞
CVE-2025-25683 AlekSIS-Core 安全漏洞
CVE-2025-25774 Open5GS 安全漏洞
CVE-2024-34398 BMC Remedy Mid Tier 安全漏洞
CVE-2025-25975 parse-git-config 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2025-25566

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