The AscherOpler coined the firmware term in Datamation in 1967. Originally it means the contents of a writable control store containing the microcode that defined and implementing the instruction set. There is boundary exit in the hardware and the software, and it is called the firmware. Firmware is the software inserted into the router and also be referred to as the brain of the router. It can offer the network protocols and also do the administrative control, so the device is getting aware of how to proceed. Netgear firmware update is the update of the firmware of the Netgear routers and extenders.