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
- WatchGuard Fireware OS
- WatchGuard Fireware OS
- WatchGuard Fireware OS
Weakness type
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