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VULNERABILITIES

CVE-2026-90464 Details

Description

An external control of file path vulnerability in a WatchGuard Fireware OS firewall diagnostic command allows a remote, authenticated attacker with at least read-only (Device Monitor) privileges and access to the management CLI to create, truncate, or overwrite arbitrary files and modify kernel parameters with root privileges by submitting a specially crafted command. Written content is limited to numeric values.

Metrics

CVSS 3.x Severity and Vector Strings:

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-2026-90464 WatchGuard Technologies, Inc.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-59Improper Link Resolution Before File Access ('Link Following')WatchGuard Technologies, Inc.
CWE-73External Control of File Name or PathWatchGuard Technologies, Inc.
CWE-732Incorrect Permission Assignment for Critical ResourceWatchGuard Technologies, Inc.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-90464
NVD Published Date:
Oct 27, 2026
NVD Last Modified:
Nov 4, 2026
Source:
WatchGuard Technologies, Inc.
CVE-2026-90464 Details - Not Deferred