KUALA LUMPUR, September 20, 2014 (AFP) - Smith needed only an even-par 71 to lead with an aggregate score of eight-under 205 after first- and second-round leader Anirban Lahiri of India tumbled down the leaderboard with a 76.
Smith, seeking his first win as a pro, eagled the par-five 13th hole at the Seri Selangor Golf Club near Kuala Lumpur, but also had four bogeys on his card for the day.
Sattaya Supupramai and Chapchai Nirat of Thailand were in a tie for second at seven-under, with three others just a shot behind them.
Scores in brief:
205 - Cameron Smith (AUS) 68-66-71
206 - Sattaya Supupramai (THA) 68-70-68, Chapchai Nirat (THA) 68-69-69
207 - Hung Chien-yao (TPE) 67-73-67, David Lipsky (USA) 72-66-69, Jake Higginbottom (AUS) 72-65-70