The tweet is in Persian and recommends reading a write-up shared via a link. It states that the write-up explains the entire process from fuzzing to WAF bypass and exploitation. The user says they liked it and found it interesting. However, the tweet does not provide specific technical details about the type of vulnerability, the payload used for bypass, or the WAF vendor. Therefore, a detailed blog post cannot be created from this tweet alone. Readers interested in WAF bypass techniques might find the linked write-up helpful as it covers the process from fuzzing the application to bypassing the WAF and exploiting the vulnerabilities.