For more advice on router security, see my RouterSecurity.org site. It just passed 2 million page views and is not a commercial endeavor (no ads and no affiliate links).
As for a secure router, I suggest the Pepwave Surf SOHO by Peplink. No router is perfect for everyone, but if you care at all about security, I have a long description of the routers features here https://www.routersecurity.org/pepwavesurfsofo.php
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