ZDI-CAN-31457: ZDI-26-501: WatchGuard FireWare OS sigd comp_start_cb Directory Traversal Arbitrary File Creation Vulnerability

Published Jul 29, 2026

Updated

This vulnerability allows remote attackers to create arbitrary files 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-2026-13054.

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-CAN-31457?

The vulnerability ZDI-CAN-31457 has a CVSS rating of 7.2, indicating a high severity.

How do I fix ZDI-CAN-31457?

To mitigate ZDI-CAN-31457, ensure that your WatchGuard FireWare OS is updated to the latest security patch provided by WatchGuard.

What type of vulnerability is ZDI-CAN-31457?

ZDI-CAN-31457 is a directory traversal vulnerability that allows arbitrary file creation.

Do I need authentication to exploit ZDI-CAN-31457?

Yes, authentication is required to exploit the ZDI-CAN-31457 vulnerability on affected installations.

Which software is affected by ZDI-CAN-31457?

ZDI-CAN-31457 affects the WatchGuard FireWare OS.

ZDI-CAN-31457: ZDI-26-501: WatchGuard FireWare OS sigd comp_start_cb Directory Traversal Arbitrary File Creation Vulnerability

Affected Software

Event History

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Frequently Asked Questions

What is the severity of ZDI-CAN-31457?

How do I fix ZDI-CAN-31457?

What type of vulnerability is ZDI-CAN-31457?

Do I need authentication to exploit ZDI-CAN-31457?

Which software is affected by ZDI-CAN-31457?

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Frequently Asked Questions

What is the severity of ZDI-CAN-31457?

How do I fix ZDI-CAN-31457?

What type of vulnerability is ZDI-CAN-31457?

Do I need authentication to exploit ZDI-CAN-31457?

Which software is affected by ZDI-CAN-31457?