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I. Basic Information for CVE-2026-2191
Vulnerability Information

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Vulnerability Title
Tenda AC9 formGetDdosDefenceList stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Tenda AC9 15.03.06.42_multi. Affected is the function formGetDdosDefenceList. This manipulation of the argument security.ddos.map causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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 AC9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC9是中国腾达(Tenda)公司的一款无线路由器。 Tenda AC9 15.03.06.42_multi版本存在安全漏洞,该漏洞源于对函数formGetDdosDefenceList的参数security.ddos.map操作不当,可能导致栈缓冲区溢出。
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
TendaAC9 15.03.06.42_multi cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-2191
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III. Intelligence Information for CVE-2026-2191
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