Fereshteh Karimi, Nastaran Moghimi, Sara Shirbeigi, Sahar Papi and Fatemeh Rahmati scored for Iran in this match.
Iran will also meet Uzbekistan and Tajikistan on Thursday and Friday, respectively.
The competition is being held from January 19 to 29 in Dushanbe, Tajikistan.
Tajikistan, Iran, Kyrgyz Republic and Uzbekistan are taking part in the tournament.
The CAFA Women's Championship is an international futsal competition in Central Asia for the member nations of the Central Asian Football Association (CAFA).