A vulnerability was found in Edimax EW-7438RPn 1.31 and classified as critical . The impacted element is the function formrefresh of the file /goform/formrefresh . The manipulation of the argument submit-url results in stack-based buffer overflow. This vulnerability is known as CVE-2026-9480 . It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.