A vulnerability was found in Edimax EW-7438RPn up to 1.31 . It has been rated as critical . Affected is the function formWizSurvey of the file /goform/formWizSurvey of the component webs . The manipulation of the argument ip/mask/gateway leads to os command injection. This vulnerability is traded as CVE-2026-9347 . 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.