Hi,
I'm running Merlin 386.5_2 on my RT-AC86U, since more than 2 years.
Today I've noticed that there's only one CPU in the dashboard.
Tools > Temperatures: 2.4 GHz: 50°C - 5 GHz: 56°C - CPU: 96°C
The router is idling, there are 12 devices connected in total, but I'm not doing anything...