CVE-2025-6999— WatchGuard Firebox Authentication Portal Request Smuggling Vulnerability
Quick assessment
Affected
WatchGuard Fireware OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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版本至12.11.2版本存在安全漏洞，该漏洞源于身份验证门户存在HTTP请求夹带技术，可能导致反射型跨站脚本攻击。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 12.0< 12.11.3 |
affected |
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I. Basic Information for CVE-2025-6999
Vulnerability Information
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Vulnerability Title
WatchGuard Firebox Authentication Portal Request Smuggling Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
An HTTP Request Smuggling [CWE-444] vulnerability in the Authentication portal of WatchGuard Fireware OS allows a remote attacker to evade request parameter sanitation and perform a reflected self-Cross-Site Scripting (XSS) attack.
WatchGuard does not believe there is a practical exploit chain with a meaningful security impact for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
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版本至12.11.2版本存在安全漏洞，该漏洞源于身份验证门户存在HTTP请求夹带技术，可能导致反射型跨站脚本攻击。
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 ~ 12.11.3 | - |
|
II. Public POCs for CVE-2025-6999
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-6999 (1)
-
🔗 404 - File Not Found | WatchGuard Technologies vendor-advisory
IV. Related Vulnerabilities
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Same vendor: WatchGuard
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Same weakness: CWE-444
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V. Comments for CVE-2025-6999
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