CVE-2026-109157

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.

CVSS 4.0

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CVSS 3.1

9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-121

Published

2026-10-13

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

References

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

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