Simple, no vendor can create completely secure software. The main way to prevent someone from breaking into your front door when a new vulnerability is discovered is to not present a front door to the internet.
It is impossible to overstate how exposed you really are when leaving interfaces like this open to the internet to be scanned, catalogued, then exploited and used (or damaged) as soon as a new vulnerability is weaponized.
Simple, no vendor can create completely secure software. The main way to prevent someone from breaking into your front door when a new vulnerability is discovered is to not present a front door to the internet.
It is impossible to overstate how exposed you really are when leaving interfaces like this open to the internet to be scanned, catalogued, then exploited and used (or damaged) as soon as a new vulnerability is weaponized.