The detained vessel, according to Major General Ahmad Ali Goudarzi, was carrying a variety of machetes and blades that are intended to sharpen upon contact with blood.
He continued by saying that border guards had also seized some 3,000 guns from criminals during the previous four months.
Iran experienced a wave of unrest and riots in the middle of September as a result of the death of a young woman while in police custody.
Early protests over the tragedy were calm, but things quickly turned violent as thugs and rioters—many of whom were armed—committed murderous acts of violence against both security personnel and citizens.
Iran claims to have proof linking the violent perpetrators to adversarial foreign parties.