SB2025041719 - Local denial of service in SonicWall Connect Tunnel Windows Client



SB2025041719 - Local denial of service in SonicWall Connect Tunnel Windows Client

Published: April 17, 2025 Updated: April 25, 2025

Security Bulletin ID SB2025041719
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Link following (CVE-ID: CVE-2025-32817)

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insecure link following issue. A local user can create a symbolic link to a critical file on the system and corrupt it with elevated privileges, resulting in a denial of service condition.



Remediation

Install update from vendor's website.