CVE-2026-3344— WatchGuard Firebox System Integrity Check Bypass
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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: NVD (National Vulnerability Database)
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.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
预期行为违背
Source: NVD (National Vulnerability Database)
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 | 12.0 ~ 12.11.7 | - |
II. Public POCs for CVE-2026-3344
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · WatchGuard · 2026-03-03 · 3 CVEs total
| CVE-2026-3342 | WatchGuard Firebox Out of Bounds Write Vulnerability | |
| CVE-2026-3343 | WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UI |
IV. Related Vulnerabilities
Same product: Fireware OS
- CVE-2026-3987
WatchGuard Firebox Arbitrary File Write vis Path Traversal i - CVE-2026-4315
WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fire - CVE-2026-4266
WatchGuard Firebox Insecure Deserialization in Fireware Acce - CVE-2026-3343
WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vuln - CVE-2026-3342
WatchGuard Firebox Out of Bounds Write Vulnerability
Same vendor: WatchGuard
- CVE-2026-6788
Uncontrolled search path in PluginLauncher allows SYSTEM cod - CVE-2026-6787
Usage of a hard-coded cryptographic key in WatchGuard Agent - CVE-2026-41288
WatchGuard Agent on Windows Privilege Escalation Vulnerabili - CVE-2026-41287
Stack-based Buffer Overflow in WatchGuard Agent Discovery Se - CVE-2026-3987
WatchGuard Firebox Arbitrary File Write vis Path Traversal i
Same weakness: CWE-440
- CVE-2026-41136
free5GC AMF missing default case in Content-Type switch in H - CVE-2025-13940
WatchGuard Firebox Boot Time System Integrity Check Bypass - CVE-2025-8850
Insecure API Design in danny-avila/librechat - CVE-2025-52953
Junos OS and Junos OS Evolved: An unauthenticated adjacent a - CVE-2025-6211
MD5 Hash Collision in run-llama/llama_index
V. Comments for CVE-2026-3344
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