The 25-year-old Colombia international has found it difficult to settle at the San Paolo since his transfer from Siena in the summer.
But agent Riccardo Calleri said: "Camilo feels fine physically and he is happy to be in Naples.
"He has a great desire to show his quality. He is also sacrificing himself on the left flank."
Asked if Zuniga could leave over the next month, Calleri replied: "It's a question you should ask the club. If there isn't any space then we'll look around and evaluate the proposals from important clubs.
"Zuniga doesn't lack admirers."