CVE-2025-32817 Path traversal in Connect Tunnel

Medium 6.1 Published Updated

An attacker can overwrite arbitrary files via improper link resolution in the SonicWall Connect Tunnel client, causing data corruption or denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-32817?

CVE-2025-32817 is a medium-severity path traversal vulnerability in SonicWall Connect Tunnel, published on 16 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-59

Which versions are affected by CVE-2025-32817?

How do I fix CVE-2025-32817?

No fix has been published for CVE-2025-32817 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-32817 being exploited?

There is no known exploitation of CVE-2025-32817 in the wild and no public exploit code.

Sources

Also known as GHSA-9hjg-77w4-4h5j.

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