Quarterly Security Notification October 2025
F5 discloses security vulnerabilities and security exposures for F5 products in Quarterly Security Notifications (QSNs). The QSN for the last quarter of 2025 is October 15th.
For information about the vulnerabilities, products affected, fixes, and links to helpful resources, see K000156572: Overview of Security Advisories (October 2025).
Moderator2 Comments
f5learning9Nimbostratus
that means we need to upgrade BIG-IP to 17.5.1.3 ?
- LiefZimmerman
Admin
Hey f5learning9 - thanks for reaching out.
Updates for BIG-IP, F5OS, BIG-IP Next for Kubernetes, BIG-IQ, and APM Clients are available now. Though we have no knowledge of undisclosed critical or remote code execution vulnerabilities, we strongly advise updating your BIG-IP software as soon as possible. More information about these updates can be found in the Quarterly Security Notification (https://my.f5.com/manage/s/article/K000156572).
---
If you need more assistance, please create a case https://my.f5.com/manage/s/createcaseYou may also find the following resources helpful:
- K9502: BIG-IP hotfix and point release matrix https://my.f5.com/manage/s/article/K9502
- K9412: The BIG-IP release matrix https://my.f5.com/manage/s/article/K9412
- K13845: Overview of supported BIG-IP upgrade paths and an upgrade planning reference https://my.f5.com/manage/s/article/K13845
- K84205182: BIG-IP update and upgrade guide https://my.f5.com/manage/s/article/K84205182
