---
id: CVE-2026-78008
title: >-
  A buffer overflow vulnerability in the WatchGuard Fireware OS Management Web
  UI allows an authenticated administrator with network access to cause a denial
  of service (DoS) condition or potentially execute arbitrary code by sending
  speci…
summary: >-
  A buffer overflow vulnerability in the WatchGuard Fireware OS Management Web
  UI allows an authenticated administrator with network access to cause a denial
  of service (DoS) condition or potentially execute arbitrary code by sending
  speci…
severity: none
cwe:
  - CWE-787
published: '2026-08-28'
updated: '2026-08-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78008'
references:
  - url: 'https://psirt.watchguard.com/CVE-2026-78008'
    label: 5d1c2695-1a31-4499-88ae-e847036fd7e3
tags:
  - nvd
epss: 0.00606
epssPercentile: 0.46746
ingestedAt: '2026-08-29T21:42:36.691Z'
---

## Overview

A buffer overflow vulnerability in the WatchGuard Fireware OS Management Web UI allows an authenticated administrator with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network traffic.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.