This indicates an attack attempt against a Buffer Overflow vulnerability in WibuKey Network Server Management.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted packet. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted packet.
WibuKey Network Server Management prior to 6.50A
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply patch available from the vendor: