A vulnerability was found in Edimax EW-7438RPn 1.31 . It has been declared as critical . This affects the function formHwSet of the file /goform/formHwSet . The manipulation of the argument Anntena/Mcs/regDomain/nic0Addr/nic1Addr/wlanAddr/wanAddr/wlanSSID/wlanChan/initgain/txcck/txofdm/submit-url results in stack-based buffer overflow. This vulnerability is identified as CVE-2026-9426 . The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about thi