PowerNet Twin Client 'RFSynC' Denial of Service Vulnerability

Summary
The host is running PowerNet Twin Client and is prone to denial of service vulnerability.
Impact
Successful exploitation may allow remote attackers to cause the application to crash, creating a denial of service condition. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
A signedness error in 'RFSync.exe' when processing certain requests, can be exploited to cause a crash via a specially crafted request sent to TCP port 1804.
Affected
PowerNet Twin Client 8.9 and prior
References