Zanone (pictured) opened his account on the half-hour and struck again five minutes later before making it 3-0 midway through the second half.
Kurt Smith promptly pulled one back but the visitors, who made it ten successive wins, had the last word when Baff Addae netted in added time.
Waltham Forest took the lead in each half but had to settle for a 2-2 home draw with Cheshunt.
Manu Dagher’s opener was answered by John Megicks from the penalty spot and when Adrian Clifton put the hosts ahead again, Mark Twumasi replied within four minutes.
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