A vulnerability was detected in TRENDnet TEW-432BRP 3.10B20. The affected element is the function formSetFirewallRule of the file /goform/formSetFirewallRule. T…

A stack-based buffer overflow vulnerability (CVE-2026-10120) was discovered in TRENDnet TEW-432BRP router version 3.10B20. The vulnerability exists in the formSetFirewallRule function and can be exploited remotely by manipulating the firewall_name parameter. The exploit is publicly available, making this a high-risk vulnerability. However, the affected product has been end-of-life since 2009, and the vendor will not provide fixes. This vulnerability only impacts legacy systems that are no longer supported.