A vulnerability classified as critical was found in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /ping_response.cgi of the component HTTP POST Request Handler. The manipulation of the argument ping_ipaddr results in stack-based buffer overflow.

This vulnerability was named CVE-2026-4172. The attack may be performed from remote. In addition, an exploit is available.

The vendor was contacted early about this disclosure but did not respond in any way.