CVE-2026-4315— WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI
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 11.8至11.12.4+541730版本、12.0至12.11.8版本和2025.1至2026.1.2版本存在安全漏洞，该漏洞源于WebUI存在跨站请求伪造，可能导致远程攻击者触发拒绝服务条件。
Possible ATT&CK Techniques 1 AI
T1556 · Modify Authentication ProcessAffected Version Matrix 5
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1< 2026.2 |
affected |
12.0< 12.12 |
affected | ||
11.8≤ 11.12.4+541730 |
affected | ||
12.0< 12.11.9 |
affected | ||
12.0< 12.5.18 |
affected |
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I. Basic Information for CVE-2026-4315
Vulnerability Information
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Vulnerability Title
WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI
Source: CVE Program / CVE List V5
Vulnerability Description
A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
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 11.8至11.12.4+541730版本、12.0至12.11.8版本和2025.1至2026.1.2版本存在安全漏洞，该漏洞源于WebUI存在跨站请求伪造，可能导致远程攻击者触发拒绝服务条件。
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 ~ 2026.2 | - |
|
| WatchGuard | Fireware OS | 12.0 ~ 12.11.9 | - |
|
| WatchGuard | Fireware OS | 12.0 ~ 12.5.18 | - |
|
II. Public POCs for CVE-2026-4315
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-4315 (2)
-
🔗 404 - File Not Found | WatchGuard Technologies vendor-advisory
-
IV. Related Vulnerabilities
Same product: Fireware OS
-
CVE-2026-86134
Fireware OS Pre-Authentication NULL Pointer Dereference Allo -
CVE-2026-13224
Fireware OS Path Traversal in WebUI Management Agent Allows -
CVE-2026-13046
Fireware OS Deserialization of Untrusted Data in samld Allow -
CVE-2026-90441
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CVE-2026-18145
Fireware OS Stack-based Buffer Overflow in spamd Allows Remo
Same vendor: WatchGuard
-
CVE-2026-115253
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CVE-2026-96293
Endpoint Security Cleartext Storage of FileVault Recovery Ke -
CVE-2026-13043
WatchGuard Endpoint Security Missing Authentication in Kerne -
CVE-2026-86134
Fireware OS Pre-Authentication NULL Pointer Dereference Allo -
CVE-2026-13224
Fireware OS Path Traversal in WebUI Management Agent Allows
Same weakness: CWE-352
-
CVE-2026-115494
CSRF protection could be tricked by forged X-Forwarded-Host -
CVE-2026-114177
WordPress Xpro Elementor Addons plugin <= 1.7.10 - Cross Sit -
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CVE-2026-114719
Roundcube 1.6.20/1.7.5 markasjunk 插件 CSRF 绕过漏洞 -
CVE-2026-96374
Project Browser - Critical - Cross-site request forgery - SA
V. Comments for CVE-2026-4315
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