For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

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 ...
Published Oct 15, 2025
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F5Erin's avatar
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Erin Kilpatrick is a principal technical program manager for MyF5.
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Mayur_Sutare's avatar
Mayur_Sutare
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Oct 16, 2025

Any IOC details available for this incident?

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LiefZimmerman
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Oct 16, 2025

For any technical questions about the resources we’re providing to customers, please contact F5 Support directly.