CVE-2026-41287— Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial of Service - Variant A
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I. Basic Information for CVE-2026-41287
Vulnerability Information
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Vulnerability Title
Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial of Service - Variant A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers. An unauthenticated attacker on the same local network could exploit this vulnerability to crash the agent service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
WatchGuard Agent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WatchGuard Agent是美国WatchGuard公司的一款终端安全防护与设备管理代理程序。 WatchGuard Agent存在安全漏洞，该漏洞源于基于栈的缓冲区溢出问题，可能导致同一本地网络的未认证攻击者利用此漏洞使代理服务崩溃。
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 | WatchGuard Agent | 0 ~ 1.25.03.0000 | - |
II. Public POCs for CVE-2026-41287
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · WatchGuard · 2026-05-06 · 4 CVEs total
| CVE-2026-41288 | WatchGuard Agent on Windows Privilege Escalation Vulnerability | |
| CVE-2026-6787 | Usage of a hard-coded cryptographic key in WatchGuard Agent allows inclusion of code into | |
| CVE-2026-6788 | Uncontrolled search path in PluginLauncher allows SYSTEM code execution in WatchGuard Agen |
IV. Related Vulnerabilities
Same product: WatchGuard Agent
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-2026-3987
WatchGuard Firebox Arbitrary File Write vis Path Traversal i - CVE-2026-4315
WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fire
Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2026-41287
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