Old firmware had an open telnet port (23) with root access. The new version disables telnet by default and changes the SSH key. This prevents botnets from hijacking your router.
If your router does not support automatic updates or you want to install a specific version, follow these steps: How to upgrade the firmware on your D-Link router d 39link dwrm960 firmware new
: It features four Gigabit LAN ports , which is a significant plus over many basic 4G routers that only offer 10/100 Mbps ports. How to Update Your Firmware Old firmware had an open telnet port (23) with root access