PT-2026-22734 · Watchguard · Watchguard Fireware

Published 2026-03-03 · Updated 2026-03-04 · CVE-2026-3344

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 12.0 through 12.11.7 WatchGuard Fireware OS versions 12.5.9 through 12.5.16 WatchGuard Fireware OS versions 2025.1 through 2026.1.1

Description A flaw in WatchGuard Fireware OS could allow an attacker to circumvent the filesystem integrity check and establish limited persistence by using a specially designed firmware update package.

Recommendations Update Fireware OS to a version later than 12.11.7. Update Fireware OS to a version later than 12.5.16. Update Fireware OS to a version later than 2026.1.1.

Fix

Weakness Enumeration

CWE-440

Related Identifiers

CVE-2026-3344

Affected Products

Watchguard Fireware

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-3344 · Security Note
• https://osv.dev/vulnerability/CVE-2026-3344 · Vendor Advisory
• https://watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005 · Vendor Advisory
• https://t.me/cveNotify/153930 · Telegram Post
• https://watchguard.com/wgrd-psirt/advisory/wgsa-2026-0005 · Note
• https://t.me/cveNotify/154182 · Telegram Post
• https://twitter.com/infoflowcloud/status/2028835331982663820 · Twitter Post
• https://t.me/CVEtracker/46202 · Telegram Post
• https://twitter.com/CVEnew/status/2028834664895414367 · Twitter Post