CVE-2025-26500 VxWorks 7 USB Failure

Medium 4.6 Published Updated

Crafted USB packets cause excessive resource allocation, rendering the VxWorks 7 system unavailable.

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

What is CVE-2025-26500?

CVE-2025-26500 is a medium-severity denial of service vulnerability in Wind River Systems VxWorks 7, published on 21 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

: Uncontrolled Resource Consumption vulnerability in Wind River Systems VxWorks 7 on VxWorks allows Excessive Allocation.  

Specifically crafted USB packets may lead to the system becoming unavailable

This issue affects VxWorks 7: from 22.06 through 24.03.

Weakness: CWE-400

Which versions are affected by CVE-2025-26500?

How do I fix CVE-2025-26500?

No fix has been published for CVE-2025-26500 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-2025-26500 being exploited?

There is no known exploitation of CVE-2025-26500 in the wild and no public exploit code.

Sources

Also known as GHSA-ppcr-7c68-6c88.

Is CVE-2025-26500 in your software?

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