CVE-2026-3343 is a reflected cross-site scripting (XSS) vulnerability in the Fireware OS Web UI, affecting versions 12.7 through 12.11.7 and 2025.1 through 2026.1.1. This medium-severity vulnerability (CVSS 6.1) allows an attacker to execute malicious JavaScript in an authenticated management user's browser if they click a specially crafted link. The attack requires user interaction and has low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.7, < 12.11.8CPE matchmatch criteria | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | ||
>= 2025.1, < 2026.1.2CPE matchmatch criteria | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.