Substitute Vincent Aboubakar rescued Broos’ men from an embarrassing home defeat which saw the Super Eagles’ World Cup ticket delayed.
Cameroon held Nigeria to a 1-1 draw at the Ahmadou Ahidjo Stadium in Group B of the 2018 World Cup qualifiers.
Moses Simon gave the visitors the lead in the first half but a second half penalty from Vincent Aboubakar means the Super Eagles need to wait a little longer before a berth in Russia can be sealed.
The West African giants were in high spirits heading to Yaoundé as coach Gernot Rohr started with the same XI that won 4-0 in Uyo. It was however the Indomitable Lions that started on the front foot, putting the visitors under early pressure.