Security flaw discovery released by Google Project Zero does it affect our gear?
Where are we on this ?
http://www.theregister.co.uk/2018/01/04/intel_meltdown_spectre_bugs_the_registers_annotations/
Most importantly, until you can’t run custom programs in RouterOS, you should not worry too much about this. And when you can (like when somebody has root access to your device, for some reason) - you have bigger problems.