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VULNERABILITIES

CVE-2026-81851 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

Description

A heap-based buffer overflow vulnerability in Fireware OS's iked process allows an authenticated administrator to crash the IKE daemon (iked), resulting in a denial of service, by saving a specially crafted configuration.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://psirt.watchguard.com/CVE-2026-81851 WatchGuard Technologies, Inc.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-122Heap-based Buffer OverflowWatchGuard Technologies, Inc.
CWE-1284Improper Validation of Specified Quantity in InputWatchGuard Technologies, Inc.

Affected Products

This vulnerability is currently being analyzed

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-81851
NVD Published Date:
Aug 28, 2026
NVD Last Modified:
Aug 28, 2026
Source:
WatchGuard Technologies, Inc.
CVE-2026-81851 Details - Not Deferred