---
id: CVE-2026-109157
title: A vulnerability was found in TRENDnet TEW-432BRP 3.10B20
summary: >-
  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 over…
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-121
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T13:29:12.567'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109157'
references:
  - url: 'https://github.com/wudipjq/my_vuln/blob/main/TRENDnet/vuln_21/21.md'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-109157'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/979590'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416890'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416890/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-10-13T11:23:51.176Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.