CVE-2026-19318

A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

Scoring

Severity
CRITICAL
CVSS base score
9.3
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS probability
0.47%
CWE
CWE-121, CWE-129, CWE-191
Published
2026-08-27
Last modified
2026-09-03

Affected products

Weakness type

Related vulnerabilities

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