CVE-2026-86104

HIGHCVSS 7.5

Description

An uncontrolled resource consumption vulnerability in the Fireware OS login process (wgagent) allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted request.

Timeline

Published:September 30th, 2026 12:16 AM

Last modified:October 6th, 2026 8:49 PM

CVSS Scoring

CVSS v3: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Software

From NVD CPE configuration data

Vendors

watchguard

Products

fireware

Weaknesses (CWE)

CWE-400 CWE-409 CWE-770

References & Reports

Advisories, patches, and third-party reports

https://psirt.watchguard.com/CVE-2026-86104Patch

Source: NIST NVD · Data may lag official sources by up to one minute