I've just checked to confirm that all of my production servers are using OpenSSL 1.x, which is not affected.
I do not know of RouterOS uses OpenSSL, or LibreSSL or something else as their crypto library though so checking in here sounded like a good idea.
https://twitter.com/iamamoose/status/15 ... 4855628800
https://www.zdnet.com/article/openssl-w ... ing-patch/