If such a massive security hole existed, it would be patched immediately by the company's security team, not sold as a "v31 exclusive" on a random website. The only real purpose of a "MFC token generator v31 exclusive" is to:
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If you have already shared your login details with a generator tool, on the official MFC site and scan your device for malware. A Guide to Getting the Most Out of MFC Tokens - WriteUpCafe If such a massive security hole existed, it