There are more than a stack of scriptures in the Bible that say we should beware of false prophets:
What Does the Bible Say About False Prophets?
But it would be interesting to go through that stack and see if there are any verses that say:
a) all Prophets are false, or
b) there can be no more true Prophets (Messengers) after the ones in the Bible.
John 5:46-47 For had ye believed Moses, ye would have believed me; for he wrote of me. But if ye believe not his writings, how shall ye believe my words?
Of course, the way Jews wiggle out of those verses is by saying that the New Testament is not the Word of God, that only the Torah is the Word of God and thus Jesus was a false prophet.
I do not know what Muhammad said, but Baha'u'llah said to the Christians that if they had believed in Jesus they would have believed in Him.
“O kings of Christendom! Heard ye not the saying of Jesus, the Spirit of God, “I go away, and come again unto you”? Wherefore, then, did ye fail, when He did come again unto you in the clouds of heaven, to draw nigh unto Him, that ye might behold His face, and be of them that attained His Presence? In another passage He saith: “When He, the Spirit of Truth, is come, He will guide you into all truth.” Gleanings From the Writings of Bahá’u’lláh, p. 246
“This is, truly, that which the Spirit of God (Jesus Christ) hath announced, when He came with truth unto you, He with Whom the Jewish doctors disputed, till at last they perpetrated what hath made the Holy Spirit to lament, and the tears of them that have near access to God to flow….” Proclamation of Bahá’u’lláh, p. 19
Of course, the way Christians wiggle out of those verses is by saying that the Writings of Baha'u'llah is not the Word of God, that only the Bible is the Word of God and thus Baha'u'llah was a false prophet.
Does anyone see how history repeats itself?
How logical is it to believe that Moses was the only true Prophet?
How logical is it to believe that Jesus is the Only Way?
At least Muslims believe that Moses, Jesus and Muhammad were all true Prophets.
So, as I see it, a question that remains is whether the Bab and Baha'u'llah were also true Prophets, in which case Moses, Jesus and Muhammad were also true Prophets.
I see we would have to see what the Tanakh says about Prophets and Truth, see why they have come to their conclusions.
The New Testament teachings about false Prophets would not be applicable to what they consider.
Have a read of Deuteronomy 13
Regards Tony