CVE-2025-55670

MEDIUM

F5 BIG-IP Next CNF SPK and Kubernetes - Denial of Service via Repeated Undisclosed API Calls

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://my.f5.com/manage/s/article/K000154614

Scores

CVSS v3 6.5
EPSS 0.0009
EPSS Percentile 24.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (3)
f5/big-ip_next_cloud-native_network_functions 1.1.0 - 1.4.1
f5/big-ip_next_for_kubernetes 2.0.0
f5/big-ip_next_service_proxy_for_kubernetes 1.7.0 - 1.9.2
Published Oct 15, 2025
Tracked Since Feb 18, 2026