CVE-2026-13053— WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 11.0≤ 11.12.4+541730 | affected |
12.0≤ 12.12 | affected | ||
12.5≤ 12.5.18 | affected | ||
2025.1≤ 2026.2 | affected |
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I. Basic Information for CVE-2026-13053
Vulnerability Information
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Vulnerability Title
WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler
Source: CVE Program / CVE List V5
Vulnerability Description
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
WatchGuard Fireware OS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WatchGuard Fireware OS是美国WatchGuard公司的一款网络防火墙的操作系统。 WatchGuard Fireware OS存在缓冲区错误漏洞，该漏洞源于CLI存在越界写入问题，可能导致经过身份验证的特权用户通过特制CLI命令执行任意代码。
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 | 11.0 ~ 11.12.4+541730 | - |
II. Public POCs for CVE-2026-13053
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-13053 (1)
Same Patch Batch · WatchGuard · 2026-07-02 · 17 CVEs total
| CVE-2026-13377 | WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy Configurat | |
| CVE-2026-13728 | WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential | |
| CVE-2026-13722 | WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS | |
| CVE-2026-13368 | WatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP Authent | |
| CVE-2026-13383 | WatchGuard Firebox ikestubd Out of Bounds Write Vulnerability | |
| CVE-2026-13373 | WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Tigerpaw Technology | |
| CVE-2026-13084 | Null Pointer Dereference in WatchGuard Fireware OS iked Process | |
| CVE-2026-13376 | WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in spamBlocker Module | |
| CVE-2026-13050 | WatchGuard Firebox networkd Out of Bounds Write Vulnerability | |
| CVE-2026-13054 | WatchGuard Firebox Arbitrary File Write via Path Traversal in Management Web UI | |
| CVE-2026-13384 | WatchGuard Firebox wgagent Out of Bounds Write Vulnerability | |
| CVE-2026-13371 | WatchGuard Firebox Management Web UI Denial of Service via Unsafe Deserialization | |
| CVE-2026-13079 | WatchGuard Mobile VPN with SSL Windows Client Local Privilege Escalation | |
| CVE-2026-13375 | WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Autotask Technology | |
| CVE-2026-13374 | WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in ConnectWise Technolo | |
| CVE-2026-8247 | WatchGuard Firebox admd Out of Bounds Write Vulnerability |
IV. Related Vulnerabilities
Same product: Fireware OS
- 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 - CVE-2026-13728
WatchGuard Firebox Hardcoded Fallback Encryption Key in Acce
Same vendor: WatchGuard
- 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 - CVE-2026-13728
WatchGuard Firebox Hardcoded Fallback Encryption Key in Acce
Same weakness: CWE-787
V. Comments for CVE-2026-13053
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