PT-2026-82825 · Watchguard · Fireware Os

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CVE-2026-19313

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Published

2026-08-27

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Updated

2026-09-01

CVSS v4.0

9.3

Critical

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS (affected versions not specified)
Description A heap overflow in the iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic. A heap overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, potentially corrupting memory and allowing for code execution.
Recommendations Update the firewall to the latest patched version.

Fix

RCE

Integer Overflow

Heap Based Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-19313

Affected Products

Fireware Os