Realtek rtl8723de is an interface controller from Realtek (China). It is 802.11bgn 2.4G monolithic, integrated wireless LAN and network PCIe interface controller with integrated Bluetooth 5.0 USB interface controller. rtl8723de BLE Stack version 4.1 and prior versions have a code issue vulnerability that can be exploited by remote attackers via the interval field of the connection request message to cause a denial of service.