Jami` at-Tirmidhi 604
جامع الترمذي#604HasanSa'd bin Ishaq bin Ka'b bin Ujrah narrated from his father from his grandfather who said:"The Prophet prayed Maghrib in the Masjid of Banu Abdul-Ashbal, and some people stood to offer voluntary prayers, so the Prophet said: 'This Salat is to be performed by you in your homes
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan
Al-AlbaniHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 6:61