CVE-2026-9479 | Edimax EW-7438RPn 1.31 /goform/formLogout submit-url stack-based overflow (EUVD-2026-31711)

A vulnerability has been found in Edimax EW-7438RPn 1.31 and classified as critical. The affected element is the function formLogout of the file /goform/formLogout. The manipulation of the argument submit-url leads to stack-based buffer overflow. This vulnerability is traded as CVE-2026-9479. 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.