1 pointMikrotik RouterOS vulnerabilities were flagged by Tennable research and other security groups in mid 2018. They have been releasing patches in the second half of 2018 and the most of 2019 to resolve. These were vulnerabilities, not malicous actions, but you enjoy your your trip to 'whataboutism'. I dont know, I currenlty do not own any Cisco gear, so I dont track it. You could do some research and quantify the number for yourself. Perhaps you and Jacko could entertain each other bouncing 'what abouts' off each other.
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