Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

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marta_sl
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Sep 07, 2023
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File upload and ASM

Hi,

We have developed a web application for uploading videos. This web app is protected by our ASM module. However, when we attempt to upload a video larger than 10 MB, the ASM blocks the request and displays the error message "Request length exceeds the defined buffer size."

We attempted a solution we found in the forum, which involved creating a parameter for the specific URL, as we prefer not to modify the buffer size. Unfortunately, this solution did not work for us.

Could someone provide us with some guidance or assistance?

Thank you!

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