VPN and endpoint clients
CVE-2025-32817: Improper Link Resolution in Connect Tunnel
A Improper Link Resolution vulnerability (CWE-59) in the SonicWall Connect Tunnel Windows (32 and 64 bit) client, this results in unauthorized file overwrite, potentially leading to denial of service or file corruption.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.1
EPSS0.35%Chance of exploitation in 30 days
Public exploitNot tracked
FixSee advisory
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Connect Tunnel (Windows, 64 bit, 32 bit) 12.4 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A Improper Link Resolution vulnerability (CWE-59) in the SonicWall Connect Tunnel Windows (32 and 64 bit) client, this results in unauthorized file overwrite, potentially leading to denial of service or file corruption.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.