This indicates an attack attempt to exploit a Code Injection Vulnerability in D-Link Central WiFi Manager Window O/S.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application. An authenticated remote attacker may be able to exploit this to execute arbitrary commands within the context of the application.
D-Link Central WiFi Manager version 1.03 for Windows
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.