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CVE-2026-109157— TRENDnet TEW-432BRP formTcpipSetup stack-based overflow

Quick assessment

Affected
TRENDnet TEW-432BRP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 TRENDnet TEW-432BRP 3.10B20 版本中发现了一个漏洞。该漏洞影响位于 /goform/formTcpipSetup 文件中的 formTcpipSetup 函数。通过操纵参数 Name，可导致基于栈的缓冲区溢出。攻击者可远程发起攻击。该漏洞的利用代码已被公开并可被实际使用。厂商确认：“由于该路由器已于2011年停产（EOL），我们已无法测试此类漏洞是否存在。我们将通知客户该产品可能存在潜在漏洞。”此漏洞仅影响已不再由厂商提供支持的产品。

CVSS 9.9 · Critical
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I. Basic Information for CVE-2026-109157

Vulnerability Information
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Vulnerability Title
TRENDnet TEW-432BRP formTcpipSetup stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in TRENDnet TEW-432BRP 3.10B20. Affected by this vulnerability is the function formTcpipSetup of the file /goform/formTcpipSetup. Performing a manipulation of the argument Name results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor confirms: "As this router was EOL'd in 2011, we have no way of testing if such vulnerability exists. We will notify our customers of a potential vulnerability on this product." This vulnerability only affects products that are no longer supported by the maintainer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
TRENDnet TEW-432BRP 3.10B20 cpe:2.3:o:trendnet:tew-432brp_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-109157

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III. Intelligence Information for CVE-2026-109157

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Other References for CVE-2026-109157 (1)

IV. Related Vulnerabilities

Same product: TEW-432BRP
Same vendor: TRENDnet
Same weakness: CWE-121

V. Comments for CVE-2026-109157

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