https://www.darkreading.com/vulnerabilities---threats/cisco-smi-still-exposing-network-switches-online/d/d-id/1329938?_mc=rss_x_drr_edt_aud_dr_x_x-rss-simple
Upgrade your code. If you need to do testing and scheduling, get that done and lined up and get that upgrade done.
smart install ain't so smart. if you can disable it, there is another option