Description
A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
Published: 2026-08-27
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Fireware OS 2026.2.2, Fireware OS 12.12.2, Fireware OS 12.5.20

Tracking

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Advisories

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History

Fri, 28 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
Description A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
Title Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS)
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-415
CWE-416
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Watchguard Fireware Os
cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-08-28T15:57:13.629Z

Reserved: 2026-08-07T20:05:58.083Z

Link: CVE-2026-19316

cve-icon Vulnrichment

Updated: 2026-08-28T14:42:18.741Z

cve-icon NVD

Status : Deferred

Published: 2026-08-28T02:16:20.827

Modified: 2026-08-28T20:17:24.307

Link: CVE-2026-19316

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T06:45:04Z

Weaknesses