A vulnerability classified as critical has been found in Edimax EW-7438RPn 1.31 . Affected is the function formRadius of the file /goform/formRadius . The manipulation of the argument submit-url leads to stack-based buffer overflow. This vulnerability is documented as CVE-2026-9461 . The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.