A vulnerability was found in Tenda FH1202 1.2.0.14(408). It has been rated as critical. This issue affects the function formSetSpeedWan of the file /goform/SetSpeedWan. The manipulation of the argument speed_dir leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-258155. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.