CPU Temp highly increased without a reason

Guys i have a serious problem, ive been mining with 2 rigs for about half year with no problems, today i seen my CPU temp increased on both rigs about 10-15C( in one day) room temp is still the same, ive nothing changed(i only had reconfigure my router… but how those things could be connected) when i Enter to bios menu, temp is okay( same as before) but when i turn rig on, it immedeatly jump to 50( before was about 35) i dont use cpu for mining, can someone help me ? What could happen and it happen on both rigs in the same time, also power ussage increased about 40w(total) any ideas? Please help.

Solved. My ring just get hack.