It's a level 8 quest. OP was wrong with the title. It can be soloed at level 7 with a Sith Warrior.
Point remains that if a quest is flagged as a solo level x quest you shouldn't have to out level it in order to complete it. I don't recall what level I was when I beat it but I didn't have Khem yet. Having said that lots of people were having problems with it as I could see them talking about it in chat.
I had to use a medpac and I made sure my big stun was up. Its possible people are just trying to blow through it instead of being careful however based on how hard the droids are in Khem Vals instance I think that this and some other area's may need some fine tuning as it were.