Media reports say the roughly 30 armed pirates who had held the vessel left the ship and handed over its seafarers unharmed.
Iranian forces reported stopping the vessels over a two-day period, though no details were given on the ships or the measures taken.
The Persian Gulf Strait management authority said charterers forcing vessels off approved paths through the Strait of Hormuz will be added to a non-compliance list.
A senior UN official said the humanitarian crisis could be avoided if several fertilizer-carrying ships are allowed through the strait each day.
Bahrain says Gulf states and Jordan have faced nearly 7,000 Iranian missile and drone attacks.
Vessel traffic through the strategic waterway fell sharply as oil prices hovered near a weekly low, according to Deutsche Welle Arabic.
Transportation group Fesco says import container shipments rose 16% to 2.03 million TEU in the first eight months of the year.
The daily volume was the largest since the start of July, sources told Reuters.
The intermodal route also carries Russian exports to central Turkey in the reverse direction, according to the company.
A ship was hit by an unidentified projectile on Monday, hours after Iran's Revolutionary Guards warned of new weapons and targets in the event of a US attack, France 24 reports.
A crew member died after an attack on an Indian-flagged cargo vessel near the coast of Oman.
Preliminary data shows a slight improvement in commercial vessel transits through the Strait of Hormuz, though traffic remains below the ten-day average and well short of levels seen before the war with Iran.
The Houthi-run transport ministry says shipping traffic through the strait continues smoothly for most vessels, with the exception of ships linked to Saudi Arabia.
Oman's maritime security authorities said the Antigua and Barbuda-flagged vessel CAPE DAO was hit off Musandam.
The UK Maritime Trade Operations agency said the vessel caught fire after being hit by an unidentified projectile.
International Maritime Organization Secretary-General Arsenio Dominguez said charging ships fees to use international straits is not legal.
A UK maritime agency said the vessel caught fire and was left adrift after being hit by an unidentified projectile in the Strait of Hormuz, with two casualties reported.
Reuters reported that three commodity vessels, among them a Panamax-class tanker, passed through the Strait of Hormuz on September 22 while exiting the waterway.
Only three commodity vessels transited the strategic waterway on Tuesday, underscoring persistently subdued maritime traffic.
Parliament speaker says Tehran has relayed its demands to Washington through intermediaries and will not reopen the strategic waterway until they are satisfied