NULL pointer dereferences vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version \05.65.00.BD\ and earlier GT1450-QMBDE CoreOS version \05.65.00.BD\ and earlier GT1450-QLBDE CoreOS version \05.65.00.BD\ and earlier GT1455HS-QTBDE CoreOS version \05.65.00.BD\ and earlier and GT1450HS-QMBDE CoreOS version \05.65.00.BD\ and earlier) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.