CVE-2026-109157

CRITICAL 9.9

TRENDnet TEW-432BRP formTcpipSetup stack-based overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	trendnet
Product	tew-432brp
Published	Oct 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TRENDnet / TEW-432BRP

3.10B20

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/416890 vuldb.com: https://vuldb.com/vuln/416890/cti vuldb.com: https://vuldb.com/cve/CVE-2026-109157 vuldb.com: https://vuldb.com/submit/979590 github.com: https://github.com/wudipjq/my_vuln/blob/main/TRENDnet/vuln_21/21.md

Credits

🔍 pjqwudi (VulDB User) VulDB CNA Team