This indicates an attack attempt to exploit a Buffer Overflow vulnerability in SolarWinds Server and Application Monitor.
The vulnerability is caused by an stack based overflow in an ActiveX control when the affected application handles a maliciously crafted web page. An attacker can exploit this by tricking an unsuspecting user into visiting a malicious webpage and execute arbitrary code within the context of the affected application.
SolarWinds Orion Server & Application Monitor 6.1.1 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.