The boy was flown to a hospital, where he is in stable condition, 9News reported. His parents told 9News he is recovering after undergoing two rounds of surgeries.
This is the third dingo attack on Fraser Island this year.
A 9-year-old boy was chased and mauled in February and a 6-year-old boy was bitten on the legs in January, 9News reported.
The Associated Press contributed to this report.