6.1

CVE-2026-3343

WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UI

A reflected cross-site scripting (XSS) vulnerability in the Fireware OS Web UI enabled execution of malicious JavaScript in the context of an authenticated management user's browser when they click on a specially crafted link.

This vulnerability affects Fireware OS 12.7 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Watchguard ≫ Fireware Version >= 12.7 < 12.11.8
   Watchguard ≫ Firebox M270 Version-
   Watchguard ≫ Firebox M290 Version-
   Watchguard ≫ Firebox M370 Version-
   Watchguard ≫ Firebox M390 Version-
   Watchguard ≫ Firebox M440 Version-
   Watchguard ≫ Firebox M4600 Version-
   Watchguard ≫ Firebox M470 Version-
   Watchguard ≫ Firebox M4800 Version-
   Watchguard ≫ Firebox M5600 Version-
   Watchguard ≫ Firebox M570 Version-
   Watchguard ≫ Firebox M5800 Version-
   Watchguard ≫ Firebox M590 Version-
   Watchguard ≫ Firebox M670 Version-
   Watchguard ≫ Firebox M690 Version-
   Watchguard ≫ Firebox Nv5 Version-
   Watchguard ≫ Firebox T20 Version-
   Watchguard ≫ Firebox T25 Version-
   Watchguard ≫ Firebox T40 Version-
   Watchguard ≫ Firebox T45 Version-
   Watchguard ≫ Firebox T55 Version-
   Watchguard ≫ Firebox T70 Version-
   Watchguard ≫ Firebox T80 Version-
   Watchguard ≫ Firebox T85 Version-
   Watchguard ≫ Fireboxcloud Version-
   Watchguard ≫ Fireboxv Version-
Watchguard ≫ Fireware Version >= 2025.1 < 2026.1.2
   Watchguard ≫ Firebox M295 Version-
   Watchguard ≫ Firebox M395 Version-
   Watchguard ≫ Firebox M495 Version-
   Watchguard ≫ Firebox M595 Version-
   Watchguard ≫ Firebox M695 Version-
   Watchguard ≫ Firebox T115-w Version-
   Watchguard ≫ Firebox T125 Version-
   Watchguard ≫ Firebox T125-w Version-
   Watchguard ≫ Firebox T145 Version-
   Watchguard ≫ Firebox T145-w Version-
   Watchguard ≫ Firebox T185 Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.093
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5d1c2695-1a31-4499-88ae-e847036fd7e3 5.1 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00004
Vendor Advisory