This indicates an attack attempt against an Stack Buffer Overflow vulnerability in Ezhometech EzServer.
The vulnerability is due to an improper boundary check condition in the application when handling an overly URI. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted HTTP request.
Ezhometech EzServer 6.4 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are not aware of any vendor supplied patch for this issue.