Certain models of D-Link wireless routers contain an undisclosed factory testing backdoor. Unauthenticated attackers on the local area network can force the device to enable Telnet service by accessing a specific URL and can log in by using the administrator credentials obtained from analyzing the firmware.
Description: CAPEC-190 Reverse Engineer an Executable to Expose Assumed Hidden Functionality
Solutions
Please update firmware of following models to 1.10.01 or later version:
G403, G415, G416, M18, R03, R04, R12, R18
Please update firmware of following models to 1.10.02 or later version:
E30, M30, M32, M60, R32
Please update firmware of following models to 1.20.01 or later version:
E15, R15