When looking at the download page for the Controller software, the latest version is 5.14.26.1. When looking for software for the EAP670, that download page lists 5.13.30.8 as the latest version of...

So far so good, no device instability. I will reinstall the controller and adopt the device on Sunday to see if it starts crashing again.

@Hank21 I'm running without the controller for a week because I suspect the controller is causing device instability. See https://community.tp-link.com/en/business/forum/topic/675602

I tried that. Enabling "More client detail log" logs EVERY SINGLE PACKET that passes through the AP. That's useless. With that option disabled, nothing seems to get logged.

@Hank21 I've submitted a bug report TKID240727652 on the device crashes. At this point I suspect the controller is causing the crashes because the device doesn't crash when configured only via its...

I disassociated the device from the controller, uninstalled the controller, and configured the device via its builtin web server. So far, after 2-1/2 days, it has not crashed once. I am going to run...