Dunga is reportedly in danger of losing his job as head coach of Brazil.
The 52-year-old, who represented the South American nation on 91 occasions as a player between 1987 and 1998, is currently in his second spell in charge of the Green and Yellows.
The former midfielder initially managed his country between 2006 and 2010, before returning to the post in 2014.
According to Globo, the Brazilian Football Federation have been unimpressed with recent results and have called a crisis meeting for next week, which will determine whether a change is made.
During the recent international break, Brazil drew with both Uruguay and Paraguay to leave them in sixth position in their South American qualification group for the 2018 World Cup.
