PT-2025-11089 · Unknown · Softether Vpn

Drake C · Published 2025-03-12 · Updated 2025-07-19 · CVE-2025-25565

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: SoftEther VPN version 5.02.5187

Description: The issue is related to a Buffer Overflow in the Command.c file, specifically via the PtMakeCert and PtMakeCert2048 functions.

Recommendations: For SoftEther VPN version 5.02.5187, consider disabling the PtMakeCert and PtMakeCert2048 functions as a temporary workaround until a patch is available. Restrict access to the Command.c file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2025-25565

Affected Products

Softether Vpn

References · 8

• 🔥 https://lzydry.github.io/CVE-2025-25565 · Exploit
• https://osv.dev/vulnerability/CVE-2025-25565 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-25565 · Security Note
• https://filecenter.softether-upload.com/d/250715_001_79538/CVE-2025-25565.pdf · Note
• https://twitter.com/CVEnew/status/1899894952970379559 · Twitter Post
• https://t.me/cvedetector/20156 · Telegram Post
• https://t.me/cvetracker/19000 · Telegram Post
• https://t.me/cvenotify/129521 · Telegram Post