This is written in Dutch, but it can't be a coincidence that around the same time people start complaining about frequent reboots.
https://gathering.tweakers.net/forum/list_message/78980714#78980714
(1st post april 18)
Here also suddenly problems with my Asus RT-AC87U router.
Problems with the connection -> dropout -> router restarts. Several times a day.
This behavior started +/- a week ago.
Firmware: 3.0.0.4.382_52545-ga0245cc
Windows 11 & Android