A vulnerability marked as critical has been reported in Edimax EW-7438RPn 1.31 . This affects the function formConnectionSetting of the file /goform/formConnectionSetting . Performing a manipulation of the argument max_Conn/timeOut results in stack-based buffer overflow. This vulnerability is cataloged as CVE-2026-9459 . It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.