CVE-2025-54805

MEDIUM

F5 Big-ip Next Cloud-native Network Functions < 1.4.1 - Memory Leak

Title source: rule

Description

When an iRule is configured on a virtual server via the declarative API, upon re-instantiation, the cleanup process can cause an increase in the Traffic Management Microkernel (TMM) memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References (1)

[Vendor Advisory] https://my.f5.com/manage/s/article/K000151596

Scores

CVSS v3 6.5

EPSS 0.0013

EPSS Percentile 32.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-401

Status published

Affected Products (3)

f5/big-ip_next_cloud-native_network_functions < 1.4.1

f5/big-ip_next_for_kubernetes

f5/big-ip_next_service_proxy_for_kubernetes < 1.9.2

Timeline

Published Oct 15, 2025

Tracked Since Feb 18, 2026