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CVE-2024-4240— Tenda W9 formQosManageDouble_user stack-based overflow

CVSS 8.8 · High EPSS 1.45% · P71
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I. Basic Information for CVE-2024-4240

Vulnerability Information
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Vulnerability Title
Tenda W9 formQosManageDouble_user stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been classified as critical. This affects the function formQosManageDouble_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262131. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 W9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda W9是中国腾达（Tenda）公司的一款无线入墙接入点。 Tenda W9 1.0.0.7(4456)版本存在安全漏洞，该漏洞源于对参数 ssidIndex 的错误操作会导致基于堆栈的缓冲区溢出。
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
TendaW9 1.0.0.7(4456) -

II. Public POCs for CVE-2024-4240

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 9314 chars
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III. Intelligence Information for CVE-2024-4240

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Vendor Advisories for CVE-2024-4240 (3)

Other References for CVE-2024-4240 (1)

Same Patch Batch · Tenda · 2024-04-26 · 9 CVEs total

CVE-2024-42448.8 HIGHTenda W9 DhcpSetSer fromDhcpSetSer stack-based overflow
CVE-2024-42438.8 HIGHTenda W9 wifiSSIDset formwrlSSIDset stack-based overflow
CVE-2024-42428.8 HIGHTenda W9 wifiSSIDget formwrlSSIDget stack-based overflow
CVE-2024-42418.8 HIGHTenda W9 formQosManageDouble_auto stack-based overflow
CVE-2024-42398.8 HIGHTenda AX1806 SetRebootTimer formSetRebootTimer stack-based overflow
CVE-2024-42388.8 HIGHTenda AX1806 SetOnlineDevName formSetDeviceName stack-based overflow
CVE-2024-42378.8 HIGHTenda AX1806 execCommand R7WebsSecurityHandler stack-based overflow
CVE-2024-42368.8 HIGHTenda AX1803 SetDDNSCfg formSetSysToolDDNS stack-based overflow

IV. Related Vulnerabilities

Same product: W9
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2024-4240

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