CVE-2025-54805

MEDIUM

F5 BIG-IP Next 1.1.0-1.4.1 & Service Proxy for Kubernetes 1.7.0-1.9.2 - Use-After-Free in iRule API

Title source: llm
STIX 2.1

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)

Core 1
Core References
Vendor Advisory vendor-advisory
https://my.f5.com/manage/s/article/K000151596

Scores

CVSS v3 6.5
EPSS 0.0028
EPSS Percentile 19.4%
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-401
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