Not likely in my opinion, but here’s thoughts from Reuters: 

WHAT COULD STOP A FULL REPUBLICAN ROLLBACK?

Even if voters decide next month to send more Republicans to Congress, Obama is not going anywhere and his veto would likely block any comprehensive attempt to gut the law.

Plus, the same procedural roadblocks that Republicans have made standard practice over the past two years in the Senate would be available to Democrats if they were in the minority.

“Repeal of Dodd-Frank is unlikely,” concluded Capital Alpha Partners, a policy analysis firm, in a report last Tuesday.