Sunan an-Nasa'i 1632
سنن النسائي#1632SahihIt was narrated from Anas that :The Messenger of Allah (ﷺ) said: "I came to Musa at the red dune and he was standing and praying
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 20:35