CVE-2026-10160: TRENDnet TEW-432BRP Stack-Based Buffer Overflow
The National Vulnerability Database has detailed CVE-2026-10160, a high-severity stack-based buffer overflow affecting the TRENDnet TEW-432BRP router. Specifically, the vulnerability resides in the formSetEnableWizard function within the /goform/formSetEnableWizard file. Manipulation of the start_wizard argument can trigger the overflow, leading to remote code execution.
This vulnerability, with a CVSS score of 8.8, is concerning due to its remote exploitability and public disclosure. However, TRENDnet has confirmed that the TEW-432BRP has been End-of-Life (EOL) since 2009. The vendor states they cannot replicate or fix vulnerabilities for a product EOL for 15 years. This means no official patches will ever be released.
While the direct impact is limited to unsupported devices, the existence of a publicly disclosed exploit for an EOL product highlights persistent risks. Organizations and individuals still running these devices are exposed to significant compromise. Attackers often target EOL hardware due to the absence of security updates and the likelihood of misconfiguration or neglect.
What This Means For You
- If your network still contains any TRENDnet TEW-432BRP routers, they are an unpatchable, high-risk entry point. You must immediately identify and decommission these devices. Replace them with currently supported hardware that receives regular security updates. Do not assume EOL status means irrelevance; for attackers, it often signals an easy target.
Related ATT&CK Techniques
🛡️ Detection Rules
1 rule · 6 SIEM formats1 detection rule auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-10160: TRENDnet TEW-432BRP formSetEnableWizard Buffer Overflow Attempt
title: CVE-2026-10160: TRENDnet TEW-432BRP formSetEnableWizard Buffer Overflow Attempt
id: scw-2026-05-31-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit CVE-2026-10160 by targeting the formSetEnableWizard function in TRENDnet TEW-432BRP devices. The vulnerability is triggered by manipulating the 'start_wizard' parameter, leading to a stack-based buffer overflow. This rule specifically looks for POST requests to the vulnerable URI with the 'start_wizard' parameter, indicating a potential exploit attempt.
author: SCW Feed Engine (AI-generated)
date: 2026-05-31
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-10160/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/goform/formSetEnableWizard'
cs-method|exact:
- 'POST'
cs-uri-query|contains:
- 'start_wizard='
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-10160 | Buffer Overflow | TRENDnet TEW-432BRP version 3.10B20 |
| CVE-2026-10160 | Buffer Overflow | Vulnerable function: formSetEnableWizard in /goform/formSetEnableWizard |
| CVE-2026-10160 | Buffer Overflow | Vulnerable argument: start_wizard |
| CVE-2026-10160 | RCE | Remote attack vector |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 31, 2026 at 06:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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