Jami` at-Tirmidhi 436
جامع الترمذي#436SahihAbdullah bin Shaqiq said:"I asked Aishah about the Salat of Allah's Messenger (S). She said: 'He would pray four Rak'ah before Az-Zuhr and two Rak'ah after it, and two after Al-Maghrib, and two Rak'ah after Al-Isha, and two before Al-Fajr
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 2:289