What resources are available to track information on network equipment, firmware, vulnerabilities, changes?

Question

Computer networks

Actually a question to people who wishes. Share what Internet resources, forums, search engines you use to track information on network equipment and vulnerabilities. Let's say there are search engines for old firmware, with vulnerabilities. At the moment, there is nothing better than sitting alternately on cisco, then on juniper, then on microte, etc., and also did not find hp. What else did anyone get?

Answer 1

https://www.cvedetails.com/

Answer 2

https://vulners.com