And these companies as well:

https://www.cvedetails.com/vulnerability-list/vendor_id-750/Nokia.html

https://www.cvedetails.com/vulnerabi...2/Samsung.html

https://www.cvedetails.com/google-search-results.php?q=ZTE+%3A+Security+Vulnerabilities+&sa =Search

https://www.cvedetails.com/vulnerability-list/vendor_id-238/Intel.html

https://www.cvedetails.com/vulnerability-list/vendor_id-16/Cisco.html

https://www.cvedetails.com/vulnerability-list/vendor_id-10/cvssscoremin-7/cvssscoremax-7.99/HP.html

Seems to be many common problems.