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Medium · 6.5 CVE-2025-55670 EUVD-2025-34641GHSA-jrj4-84w3-hw4h

BIG-IP Next (CNF, SPK, and Kubernetes) vulnerability

Published Oct 15, 2025 · Updated Feb 26, 2026 · Assigned by f5

Description

On BIG-IP Next CNF, BIG-IP Next SPK, and BIG-IP Next for Kubernetes systems, repeated undisclosed API calls can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP Next SPK 1.7.0 —
F5 BIG-IP Next CNF 1.1.0 —
F5 BIG-IP Next for Kubernetes 2.0.0 – < 2.1.0 2.1.0

Advisories 2

References