A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process iallows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

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Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

Fireware OS 2026.2.2, Fireware OS 12.12.2, Fireware OS 12.5.20


Workaround

No workaround given by the vendor.

History

Fri, 28 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


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

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process iallows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
Title Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-121
CWE-1284
CWE-787
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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-08-28T16:53:48.247Z

Reserved: 2026-08-21T21:46:45.307Z

Link: CVE-2026-78010

cve-icon Vulnrichment

Updated: 2026-08-28T16:53:37.211Z

cve-icon NVD

Status : Deferred

Published: 2026-08-28T02:16:22.417

Modified: 2026-08-28T20:19:56.773

Link: CVE-2026-78010

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T07:45:04Z

Weaknesses