Sunan Abi Dawud 1283
سنن أبي داود#1283SahihNarrated 'Abd Allah b. Mughaffal:The Messenger of Allah (ﷺ) as saying: Between the two adhans there is a prayer, between the two adhans there is prayer for one who desires (to offer)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (624) Sahih Muslim (838)
In-book reference: 5:34