Sahih Muslim 652
صحيح مسلم#652SahihHammam b. Munabbih reported:Of the a hadith narrated by Abu Huraira from Muhammad, the Messenger of Allah (ﷺ), one is this: The Messenger of Allah (ﷺ) said: The purification of the utensil belonging to one amongst you, after it is licked by a dog, lies in washing it seven times
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 2:118