CVE-2025-55669
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-15

Last updated on: 2025-10-22

Assigner: F5 Networks

Description
When the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
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Meta Information
Published
2025-10-15
Last Modified
2025-10-22
Generated
2026-06-16
AI Q&A
2025-10-15
EPSS Evaluated
2026-06-15
NVD
CVE-2025-55669
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
f5 big-ip_application_security_manager From 16.1.0 (inc) to 16.1.6 (exc)
f5 big-ip_application_security_manager From 17.1.0 (inc) to 17.1.2 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-672 The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.
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Executive Summary

This vulnerability occurs when the BIG-IP Advanced WAF and ASM security policy are used together with a server-side HTTP/2 profile on a virtual server. Under these conditions, certain undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate unexpectedly.

Impact Analysis

The impact of this vulnerability is that the Traffic Management Microkernel (TMM) can terminate unexpectedly, which may lead to denial of service or disruption of traffic management on the affected virtual server.

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