Contradiction with Genesis 19:30-36
These verses describe the morally questionable actions of Lot and his daughters, which contrasts the portrayal of Lot as "just" and "righteous" in 2 Peter 2:7.
Genesis 19:30-36: And Lot went up out of Zoar, and dwelt in the mountain, and his two daughters with him; for he feared to dwell in Zoar: and he dwelt in a cave, he and his two daughters.
Contradiction with Genesis 19:8
Lot offers his daughters to the men of Sodom, which contradicts the presentation of him as being righteous or just in 2 Peter 2:7.
Genesis 19:8: Behold now, I have two daughters which have not known man; let me, I pray you, bring them out unto you, and do ye to them as [is] good in your eyes: only unto these men do nothing; for therefore came they under the shadow of my roof.
Contradiction with Genesis 13:12-13
These verses describe Lot living among the sinful people of Sodom, contrasting his description as righteous in 2 Peter 2:7.
Genesis 13:12-13: Abram dwelled in the land of Canaan, and Lot dwelled in the cities of the plain, and pitched [his] tent toward Sodom.
Contradiction with Genesis 19:26
Lot's wife disobeys the angel's warning, which questions the characterization of Lot's household as righteous.
Genesis 19:26: But his wife looked back from behind him, and she became a pillar of salt.