CVE-2026-3987EPSS p63.3%

CVE-2026-3987CVE-2026-3987

watchguard / fireware

Description

A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged authenticated remote attacker to execute arbitrary code in the context of an elevated system process.

Scoring

CVSS 7.2 ()
VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS1.06% probability of exploitation · percentile 63.3% · 2026-10-05T12:00:23Z
Last modified2026-08-14
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.