Jami` at-Tirmidhi 3612
جامع الترمذي#3612SahihNarrated Abu Hurairah:that the Messenger of Allah (ﷺ) said: "Ask Allah to grant me Al-Wasilah." They said: "O Messenger of Allah! And what is Al-Wasilah?" He said: "The highest level of Paradise. No one will attain it except for one man, and I hope that I am him
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
Zubair Ali ZaiSahih
In-book reference: 49:8