CVE-2026-3342 is an Out-of-bounds Write vulnerability in WatchGuard Fireware OS, affecting versions 11.9 through 11.12.4_Update1, 12.0 through 12.11.7, and 2025.1 through 2026.1.1. This high-severity vulnerability (CVSS 7.2) allows an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.5, < 12.5.17CPE matchmatch criteria | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | ||
>= 2025.1, < 2026.1.2CPE matchmatch criteria | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | ||
>= 11.9, < 12.11.8CPE 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:H/UI:N/VC:H/VI:H/VA:H/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, 0.1 Mastodon, and 0.3 GitHub mentions.
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.