A mortar bomb that detonated in their base on Wednesday left two soldiers dead and three injured.
Due to the attack, opposition leaders in South Africa have demanded that troops be removed from the Democratic Republic of the Congo.
The soldiers are assisting the DR Congo’s military in its conflict with multiple armed groups as part of a regional force.
The M23 is the most well-known group; it has established positions along the key roads that lead to Goma, the capital city of the Democratic Republic of the Congo.
Tens of thousands more people have been pushed from their homes as a result of the M23’s advance, bringing the total number of people who have fled due to various conflicts in the east to around seven million.
However, the M23 has not been connected to Wednesday’s attack by the South African army.
According to a statement, “details of this incident are still sketchy”.
Under the auspices of the 16-nation Southern African Development Community (Sadc) regional alliance, South Africa started sending troops to the eastern Democratic Republic of the Congo in December.
They are replacing the East African Force (EAF), which was led by Kenya and departed in December.
One of his main campaign pledges, which helped him win reelection in December for a second term in power, was to address the three decades of instability that have plagued the nation’s east.