Device Panels are Cubase’s built in way to do that scripting. Yes it is PITA. But, so far it isn’t clear what you are trying to do. If all you want to do is select a preset, arm a track and change patches. That will show you which CC is being used by the device in case it isn’t the default patch CC. You don’t need to do anything but add that CC to any MIDI track and add an event point at the right value. It will select the preset on the unit. No programming or sysex dumping required.
So, the ease of doing something will depend on what you want to do …