The Addicks are desperate for goals as they continue to struggle this season and Waghorn will go straight into the squad that takes on Sheffield United at The Valley this weekend.
Waghorn has made just five appearances for the Black Cats, with his only outing this season coming in the 5-0 defeat at Chelsea two weeks ago.
Waghorn becomes the latest player to leave the Stadium of Light on loan after Michael Chopra joined Cardiff and the situation will be reviewed once the month is up.



