Since I made a hard-reset and reconfigured manually (without loading conf file), I'm not having issue anymore. Try that !

Just freezed with UPNP off .... Now testing with an external ZTE modem Now I can say the guilty for "over" heating is the modem chip.

I use bandwidth limitation with my torrent client (tixati) and I was downloading slowly. Since yesterday at night I turn off UPNP (as seen as a recomandation on a lot of routeurs in these forums) and...

freeze ... boring ! for the 2nd time it freezed just after terminating a torrent file download. now testing with upnp off (last test, after that I try with external modem)

@all: have you tried to disable SRA in DSL settings ? I found that in an other forum: Bitswap should be enabled and SRA should always be disabled since few Aussie ISPs use it and it will drop line...

EDIT: during freeze the leds were blinking (like everything ok) and I wasn't downloading at max speed.