CVE-2026-13050: WatchGuard Firebox networkd Out of Bounds Write Vulnerability
Published Jul 2, 2026
·Updated
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.
Affected Software
45 affected components
WatchGuard Fireware OS networkd
All of the following
WatchGuard Fireware>=2025.1<2026.2.1
Any of the following
WatchGuard Firebox M295
WatchGuard Firebox M395
WatchGuard Firebox M495
WatchGuard Firebox M595
WatchGuard Firebox M695
WatchGuard Firebox T115-w
WatchGuard Firebox T125
WatchGuard Firebox T125-w
WatchGuard Firebox T145
WatchGuard Firebox T145-w
WatchGuard Firebox T185
All of the following
WatchGuard Fireware>=12.5<12.5.19
Any of the following
WatchGuard Firebox T15
WatchGuard Firebox T35
WatchGuard Fireware>=11.0.0<11.12.4
WatchGuard Fireware=11.12.4
WatchGuard Fireware=11.12.4-u1
All of the following
WatchGuard Fireware>=12.0<12.12.1
Any of the following
WatchGuard Firebox Cloud
WatchGuard Firebox M270
WatchGuard Firebox M290
WatchGuard Firebox M370
WatchGuard Firebox M390
WatchGuard Firebox M440
WatchGuard Firebox M4600
WatchGuard Firebox M470
WatchGuard Firebox M4800
WatchGuard Firebox M5600
WatchGuard Firebox M570
WatchGuard Firebox M5800
WatchGuard Firebox M590
WatchGuard Firebox M670
WatchGuard Firebox M690
WatchGuard Firebox Nv5
WatchGuard Firebox T20
WatchGuard Firebox T25
WatchGuard Firebox T40
WatchGuard Firebox T45
WatchGuard Firebox T55
WatchGuard Firebox T70
WatchGuard Firebox T80
WatchGuard Firebox T85
WatchGuard Fireboxv
Event History
Jul 2, 2026
CVE Published
via MITRE·11:08 PM
Data Sourced
via MITRE·11:08 PM
RemedyDescriptionWeakness
Jul 3, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-13050?
CVE-2026-13050 has a severity rating of high with a CVSS score of 8.6.
2
How do I fix CVE-2026-13050?
To mitigate CVE-2026-13050, update WatchGuard Fireware OS to version 11.12.4_Update2 or later.
3
Who is affected by CVE-2026-13050?
CVE-2026-13050 affects authenticated privileged users of WatchGuard Fireware OS versions 11.8 to 11.12.4_Update1 and 12.0 up to earlier versions.
4
What type of vulnerability is CVE-2026-13050?
CVE-2026-13050 is classified as an Out-of-bounds Write vulnerability.
5
What could an attacker achieve with CVE-2026-13050?
An attacker exploiting CVE-2026-13050 could execute arbitrary code on the affected WatchGuard Fireware OS device.