CVE-2023-43492— Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow
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I. Basic Information for CVE-2023-43492
Vulnerability Information
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Vulnerability Title
Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Weintek cMT 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weintek cMT是Weintek公司的一款人机接口应用。 Weintek cMT3000 HMI Web CGI存在安全漏洞，该漏洞源于cgi-bin codesys.cgi包含基于堆栈的缓冲区溢出，这可能允许匿名攻击者劫持控制流并绕过登录身份验证。
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
II. Public POCs for CVE-2023-43492
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Same Patch Batch · Weintek · 2023-10-19 · 3 CVEs total
| CVE-2023-38584 | 9.8 CRITICAL | Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow |
| CVE-2023-40145 | 8.8 HIGH | Weintek cMT3000 HMI Web CGI OS Command Injection |
IV. Related Vulnerabilities
Same vendor: Weintek
- CVE-2025-14751
Unverified Password Change in Weintek cMT X Series HMI EasyW - CVE-2025-14750
External Control of Assumed-Immutable Web Parameter in Weint - CVE-2023-5777
Weintek EasyBuilder Pro Use of Hard-coded Credentials - CVE-2023-40145
Weintek cMT3000 HMI Web CGI OS Command Injection - CVE-2023-38584
Weintek cMT3000 HMI Web CGI Stack-based Buffer Overflow
Same weakness: CWE-121
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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-2023-43492
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