Btw, Germany conceded 12 goals when they won it in 1954. On one of those matches they conceded whooping 8 goals (lost 3:8 against Hungary).
The Hungarians were strong favs in the final because they played it against Germany, the team they beat 8:3 in the groups. Also, the Hungarians had a record of 4 wins out of 4 and a goal difference 25:7 before the final.
And the Germans won the final