Sonnix.
If you think that running any code inside router is good idea with no influence on security then please read these examples:
http://forum.mikrotik.com/t/statement-on-vault-7-document-release/106907/1
http://forum.mikrotik.com/t/cve-2016-10229/107963/1
http://forum.mikrotik.com/t/problem-routeros-6-38-5-denial-of-service/107553/43
Maybe that is why there is no more support for metarouters on modern devices.