Tenda A15 wrlEn parameter stack overflow vulnerability

Tenda A15 is a WiFi extender from Tenda (China).A stack overflow vulnerability exists in the Tenda A15 wrlEn parameter, which is caused by an incorrect boundary check performed by /goform/WifiBasicSet. By sending an excessively long string using the wrlEn parameter, a remote attacker could exploit the vulnerability to execute arbitrary code on the system.