Hints: 3548 - 2 correct digits, but only 1 in the right place 4860 - 1 correct digit, but in the wrong place 2356 - 3 correct digits, but only 1 in the right place 2584 - 2 correct digits and in their place
One possible number is therefore
Detailed reasoning associated to Shahriar Mahmud Sajid's answer
69172 - One digit is correct and in the right place
38512 - Two digits are correct but in the wrong place
45286 - Two digits are correct but in the wrong place.
I assumed positive digits only and did not consider a zero (not shown as in use).
7 is absent. It would contribute 4 to the total score of 6 requiring either 5 or 6 (which appear only once) clashing with Guess 3, or 2, 3, 4 or 8 padding with repeats. All these lead to contradictions when present with 7.
9 is absent. It would contribute 3 to the total. It ...