Both of the reacts of these cards say, "opposing stunned character falls forward without stunning."
Yes they do.
A stunned character can't stun while falling forward because it's already stunned. That's the wording issue. These cards should say, "before an opposing stunned character falls forward: Target..." or "after an opposing stunned character falls forward: Target..."
No, they are worded correctly.When a character falls forward, if they are ready they spend, if they are spent, they become stunned, and then they move forward.So, if the cards just said after a stunned character falls forward, they would react to a character that became stunned as an effect of falling forward.These cards only react to a character that is already in the stunned state before they start to fall forward. IE, they must be stunned before the illegal rank is caused.