ZDI-26-500: WatchGuard FireWare OS networkd network_wireless_kick_off_user_cb Stack-based Buffer Overflow Remote Code Execution Vulnerability

Published Jul 29, 2026

Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of WatchGuard FireWare OS. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-13050.

Affected Software

1 affected component

WatchGuard Fireware OS

Event History

Jul 29, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-26-500?

The severity of ZDI-26-500 is rated at a CVSS score of 7.2.

How do I fix ZDI-26-500?

To fix ZDI-26-500, apply the latest security updates or patches provided by WatchGuard for FireWare OS.

What systems are affected by ZDI-26-500?

ZDI-26-500 affects installations of WatchGuard FireWare OS that meet the vulnerability criteria.

Is authentication required to exploit ZDI-26-500?

Yes, authentication is required to exploit the ZDI-26-500 vulnerability.

What type of vulnerability is ZDI-26-500?

ZDI-26-500 is identified as a stack-based buffer overflow vulnerability that can lead to remote code execution.

ZDI-26-500: WatchGuard FireWare OS networkd network_wireless_kick_off_user_cb Stack-based Buffer Overflow Remote Code Execution Vulnerability

Affected Software

Event History

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Frequently Asked Questions

What is the severity of ZDI-26-500?

How do I fix ZDI-26-500?

What systems are affected by ZDI-26-500?

Is authentication required to exploit ZDI-26-500?

What type of vulnerability is ZDI-26-500?

Company

Resources

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Frequently Asked Questions

What is the severity of ZDI-26-500?

How do I fix ZDI-26-500?

What systems are affected by ZDI-26-500?

Is authentication required to exploit ZDI-26-500?

What type of vulnerability is ZDI-26-500?