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I. Basic Information for CVE-2026-4493
Vulnerability Information

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Vulnerability Title
Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was determined in Tenda A18 Pro 02.03.02.28. The impacted element is the function sub_423B50 of the file /goform/setMacFilterCfg of the component MAC Filtering Configuration Endpoint. Executing a manipulation of the argument deviceList can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
Tenda A18 Pro 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda A18 Pro是中国腾达(Tenda)公司的一款无线信号扩展器。 Tenda A18 Pro 02.03.02.28版本存在安全漏洞,该漏洞源于组件MAC Filtering Configuration Endpoint的文件/goform/setMacFilterCfg中函数sub_423B50对参数deviceList的操作存在栈缓冲区溢出。
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
VendorProductAffected VersionsCPESubscribe
TendaA18 Pro 02.03.02.28 -
II. Public POCs for CVE-2026-4493
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
kimi-k2.5 · 6942 chars
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III. Intelligence Information for CVE-2026-4493
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IV. Related Vulnerabilities
V. Comments for CVE-2026-4493

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