This indicates an attack attempt to exploit a SQL Injection vulnerability in Tecdiary Simple POS.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application when handling a craft HTTP request. A remote attacker can exploit this to send a crafted HTTP request to execute SQL commands on a vulnerable server.
Tecdiary Simple POS 4.0.24
System Compromise: Remote attackers can access or modify data in the database of the affected application
Currently we are unaware of any vendor supplied patch or update for this issue.