CVE-2026-13050
Received Received - Intake

Out-of-bounds Write in WatchGuard Fireware OS

Publication date: 2026-07-03

Last updated on: 2026-07-03

Assigner: WatchGuard Technologies, Inc.

Description
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.This vulnerability affects Fireware OS 11.8 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-03
Last Modified
2026-07-03
Generated
2026-07-03
AI Q&A
2026-07-03
EPSS Evaluated
N/A
NVD
CVE-2026-13050
EUVD
EUVD-2026-41462

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
watchguard fireware_os From 11.0 (inc) to 11.12.4_Update1 (inc)
watchguard fireware_os From 12.0 (inc) to 12.12 (inc)
watchguard fireware_os From 12.5 (inc) to 12.5.18 (inc)
watchguard fireware_os From 2025.1 (inc) to 2026.2 (inc)
watchguard fireware_os to 2026.2.1 (inc)
watchguard fireware_os to 12.12.1 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

CVE-2026-13050 is an Out-of-bounds Write vulnerability in the WatchGuard Fireware OS networkd process. It allows an authenticated privileged user to execute arbitrary code by sending specially crafted requests to the Management Web UI.

This vulnerability affects multiple versions of Fireware OS, including versions 11.0 through 11.12.4_Update1, 12.0 through 12.12, 12.5 through 12.5.18, and 2025.1 through 2026.2.

Compliance Impact

The provided information does not specify how the CVE-2026-13050 vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

Impact Analysis

This vulnerability can have a significant impact because it allows an authenticated privileged user to execute arbitrary code on the affected system. This could lead to unauthorized control over the device, potentially compromising network security and the integrity of the managed environment.

Given the high CVSS score of 8.6, the risk level is considered high, indicating that exploitation could result in serious consequences such as system compromise or disruption of network services.

Mitigation Strategies

To mitigate the CVE-2026-13050 vulnerability, you should upgrade affected Fireware OS versions to the resolved versions where available.

  • Upgrade to Fireware OS version 2026.2.1 or later.
  • Upgrade to Fireware OS version 12.12.1 or later.

Note that some 11.x versions are unresolved due to end-of-life status, so consider upgrading to supported versions.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-13050. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart