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8.6
CVE-2026-109157: TRENDnet TEW-432BRP router can be remotely compromised
CVE-2026-109157 · published 22 days ago
Summary
The TEW-432BRP router's web configuration page can be tricked into overflowing its memory when the Name field is manipulated. This flaw lets an attacker run code on the device from anywhere on the network. Because the model has been out of support since 2011, the best action is to replace the router with a supported device.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| trendnet | tew-432brp | 3.10B20 |
Original advisory text
TRENDnet TEW-432BRP formTcpipSetup stack-based overflow
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.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
8.6
High
Type
CWE-121Stack-based Buffer Overflow
CWE-119Buffer Overflow
Timeline
Published13 Oct 2026
Updated4 Nov 2026
First seen13 Oct 2026
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