PT-2025-11090 · Softether · Softether Vpn

Drake C · Published 2025-03-12 · Updated 2025-07-19 · CVE-2025-25566

Positive Technologies (AI Summary)

CVSS v3.1

5.6

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions SoftEtherVPN version 5.02.5187

Description A memory leak issue exists in SoftEtherVPN 5.02.5187. This allows an attacker to potentially cause a denial of service by exploiting the UnixMemoryAlloc function. The supplier disputes the severity, stating the behavior is limited to a single allocation of a few hundred bytes with a command-line tool.

Recommendations SoftEtherVPN version 5.02.5187: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2025-25566

Affected Products

Softether Vpn

References · 8

• 🔥 https://lzydry.github.io/CVE-2025-25566 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-25566 · Security Note
• https://osv.dev/vulnerability/CVE-2025-25566 · Vendor Advisory
• https://twitter.com/CVEnew/status/1899894953951846630 · Twitter Post
• https://t.me/cvetracker/19001 · Telegram Post
• https://t.me/cvenotify/129522 · Telegram Post
• https://t.me/cvedetector/20157 · Telegram Post
• https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25566.pdf · Note