Still think this is where the lack the of discipline can truly be a burden. think about all the electric devices and IOT that most households have that have these risks . its not just one device bet its like 3 or 4 every household that very likely has these risks to be used to spread malware . 

Note to self chuck the electric devices that can be a convience today but a harm tomorrow . 

 + older version get in firmware more things will discovered nobody patches these millions of ants