BaseFortify

Publication date: 2025-10-15

Last updated on: 2025-10-22

Assigner: F5 Networks

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-15

Last Modified

2025-10-22

Generated

2026-07-06

AI Q&A

2025-10-15

EPSS Evaluated

2026-07-05

NVD

CVE-2025-55670

Affected Vendors & Products

Vendor	Product	Version / Range
f5	big-ip_next_cloud-native_network_functions	From 1.1.0 (inc) to 1.4.1 (inc)
f5	big-ip_next_for_kubernetes	2.0.0
f5	big-ip_next_service_proxy_for_kubernetes	From 1.7.0 (inc) to 1.9.2 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-770	The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Attack-Flow Graph

Executive Summary

This vulnerability occurs on BIG-IP Next CNF, BIG-IP Next SPK, and BIG-IP Next for Kubernetes systems where repeated undisclosed API calls 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, which may lead to disruption of traffic management services on affected BIG-IP Next systems.

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