CVE-2026-3344— WatchGuard Firebox System Integrity Check Bypass
Possible ATT&CK Techniques 2AI
T1574.006 · Dynamic Linker Hijacking T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1< 2026.1.2 | affected |
12.0< 12.11.8 | affected | ||
12.0< 12.5.17 | affected |
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I. Basic Information for CVE-2026-3344
Vulnerability Information
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Vulnerability Title
WatchGuard Firebox System Integrity Check Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
预期行为违背
Source: CVE Program / CVE List V5
Vulnerability Title
WatchGuard Fireware OS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WatchGuard Fireware OS是美国WatchGuard公司的一个在 Firebox 上运行的软件。 WatchGuard Fireware OS 12.0至12.11.7版本、12.5.9至12.5.16版本和2025.1至2026.1.1版本存在安全漏洞，该漏洞源于可能允许攻击者绕过Fireware OS文件系统完整性检查，并通过恶意制作的固件更新包维持有限的持久性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 ~ 2026.1.2 | - | |
| WatchGuard | Fireware OS | 12.0 ~ 12.5.17 | - |
II. Public POCs for CVE-2026-3344
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-3344 (2)
- 🔗 404 - File Not Found | WatchGuard Technologiesvendor-advisory
Same Patch Batch · WatchGuard · 2026-03-03 · 3 CVEs total
| CVE-2026-3343 | 5.1 MEDIUM | WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UI |
| CVE-2026-3342 | WatchGuard Firebox Out of Bounds Write Vulnerability |
IV. Related Vulnerabilities
Same product: Fireware OS
- CVE-2026-13053
WatchGuard Firebox Authenticated Out of Bounds Write in Mana - CVE-2026-13050
WatchGuard Firebox networkd Out of Bounds Write Vulnerabilit - CVE-2026-13054
WatchGuard Firebox Arbitrary File Write via Path Traversal i - CVE-2026-8247
WatchGuard Firebox admd Out of Bounds Write Vulnerability - CVE-2026-13728
WatchGuard Firebox Hardcoded Fallback Encryption Key in Acce
Same vendor: WatchGuard
- CVE-2026-13053
WatchGuard Firebox Authenticated Out of Bounds Write in Mana - CVE-2026-13050
WatchGuard Firebox networkd Out of Bounds Write Vulnerabilit - CVE-2026-13054
WatchGuard Firebox Arbitrary File Write via Path Traversal i - CVE-2026-13079
WatchGuard Mobile VPN with SSL Windows Client Local Privileg - CVE-2026-8247
WatchGuard Firebox admd Out of Bounds Write Vulnerability
Same weakness: CWE-440
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V. Comments for CVE-2026-3344
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