Abu Ahmad ibn 'Adi al-Jurjani: Despite his weakness, his hadiths are recorded.
Abu al-Qasim ibn Bashkuwal: His hadiths are acceptable, and some people consider him weak, but he is not bad.
Abu Bakr al-Bayhaqi: He was not a very strong memorizer.
Abu Hatim al-Razi: His hadiths are recorded, but not used as evidence.
Abu Hatim ibn Hibban al-Busti: He was one of those who used to alter the chains of narration without understanding and would attribute suspended narrations without knowledge. When his contradictions with the established authorities increased in what he narrated from the trustworthy, it became invalid to use him as evidence. However, if his hadiths agree with those of the trustworthy, there is no harm in considering them.
Abu Dawud al-Sijistani: The most knowledgeable person about Zayd ibn Aslam.
Abu Zur'a al-Razi: His place is among the truthful, and in another place: He is weak in hadith.
Abu Ya'la al-Khalili: The hadith scholars rejected his narration regarding the locations during Ramadan.
Ahmad ibn Hanbal: He was not a strong memorizer of hadith, and once said: He does not judge hadith well, and he did not approve of him.
Ahmad ibn Shu'ayb al-Nasa'i: Weak in hadith, and once said: He is not strong.
Ahmad ibn Salih al-Jili: His hadiths are permissible, his hadiths are good.
Ibn Hajar al-'Asqalani: Saduq (truthful) with some mistakes, and was accused of Shi'ism.
Ibn 'Abd al-Barr al-Andalusi: He considered him weak.
al-Dhahabi: His hadiths are good.
Zakariya ibn Yahya al-Saji: Saduq (truthful).
Ali ibn al-Madini: He was good but he was not strong.
Muhammad ibn Sa'd, the scribe of al-Waqidi: He narrated many hadiths, he is considered weak, and he was a Shi'ite.
Muhammad ibn 'Abd Allah ibn al-Barqi: He was attributed with weakness by those who record his hadiths.
Authors of Tahrir Taqrib al-Tahdhib: Weak, but his narrations are considered in corroborations and supporting evidence.
Yahya ibn Sa'id al-Qattan: Nothing was narrated from him, and once said: He is weak.
Yahya ibn Ma'in: Weak, and once said: Good, his hadiths are not abandoned, and once said: He is not that strong, and once said: He is nothing, and once said: His hadith is weak and mixed, and once said: There is weakness in him and Dawud ibn Qays is preferable to him.
Ya'qub ibn Sufyan al-Faswi: He considered him weak.