Valencia were taken over by a consortium last week and the new owners are not prepared to sell Villa or David Silva.
“He is a great player,” Ferrer told RAC-1. “But at the moment I am not sure who is in charge at Valencia.
“Txiki Begiristain (director of football) is dealing with negotiations and I am confident that everything will turn out the way that the club wants it to in the end.
“Things will be sorted out in the next few days or weeks.”