Belkin F9K1122 webs formPPTPSetup stack-based overflow

A vulnerability classified as critical has been found in Belkin F9K1122 1.00.33. Affected is the function formPPTPSetup of the file /goform/formPPTPSetup of the component webs. The manipulation of the argument pptpUserName leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.