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CVE-2026-4491— Tenda A18 Pro SetIpMacBind fromSetIpMacBind stack-based overflow

CVSS 8.8 · High EPSS 0.48% · P39

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4491

Vulnerability Information
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Vulnerability Title
Tenda A18 Pro SetIpMacBind fromSetIpMacBind stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Tenda A18 Pro 02.03.02.28. Impacted is the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
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，该漏洞源于文件/goform/SetIpMacBind中函数fromSetIpMacBind对参数list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-2026-4491

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III. Intelligence Information for CVE-2026-4491

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Vendor Advisories for CVE-2026-4491 (2)

Other References for CVE-2026-4491 (1)

Same Patch Batch · Tenda · 2026-03-20 · 5 CVEs total

CVE-2026-44938.8 HIGHTenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based
CVE-2026-44928.8 HIGHTenda A18 Pro formSetQosBand set_qosMib_list stack-based overflow
CVE-2026-44908.8 HIGHTenda A18 Pro openSchedWifi setSchedWifi stack-based overflow
CVE-2026-44898.8 HIGHTenda A18 Pro fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow

IV. Related Vulnerabilities

Same product: A18 Pro
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-4491

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