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

Forum Discussion

ohforce_331348's avatar
ohforce_331348
Icon for Nimbostratus rankNimbostratus
Aug 24, 2017

Software Upgrade Path

Hi,   Can I directly upgrade from 11.5.2 to 12.1.2 on LTM 4000s?   I have read release notes https://support.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/product/relnote-ltm-12-1-2.html  ...