CVE-2026-19315

UNKNOWN 0.0

Fireware OS Pre-Authentication Type Confusion in iked Allows Remote Code Execution

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

CWE	CWE-125 CWE-763 CWE-843
Vendor	watchguard
Product	fireware os
Published	Aug 27, 2026

Stay Ahead of the Next One

Get instant alerts for watchguard fireware os

Be the first to know when new unknown vulnerabilities affecting watchguard fireware os are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

WatchGuard / Fireware OS

2025.0 < 2026.2.2 12.0 < 12.12.2

WatchGuard / Fireware OS

12.0 < 12.5.20

References

NVD ↗ CVE.org ↗ EPSS Data ↗

psirt.watchguard.com: https://psirt.watchguard.com/CVE-2026-19315

Credits

McCaulay Hudson (@_McCaulay) of watchTowr