CVE-2026-13108 Dimension Denial-of-Service

High 8.7 Published Updated

An attacker can cause a denial of service in WatchGuard Dimension by flooding the log listening service with TCP SYN packets.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-13108?

CVE-2026-13108 is a high-severity denial of service vulnerability in WatchGuard Dimension, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WatchGuard Dimension is susceptible to a denial-of-service condition when an attacker sends a high volume of TCP SYN packets to the log listening service.

Weakness: CWE-400

Which versions are affected by CVE-2026-13108?

How do I fix CVE-2026-13108?

No fix has been published for CVE-2026-13108 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-13108 being exploited?

There is no known exploitation of CVE-2026-13108 in the wild and no public exploit code.

Sources

Also known as GHSA-98rf-r5pg-gp98.

Is CVE-2026-13108 in your software?

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