Smart ovens have been turning on overnight and preheating to 400 degrees

Smart ovens have been turning on overnight and preheating to 400 degreeshttps://www.theverge.com/2019/8/14/20802774/june-smart-oven-remote-preheat-update-user-error
https://www.worlds50.com/2019/09/smart-ovens-have-been-turning-on.html