CVE-2025-54805

MEDIUM
Published Oct 15, 2025 Modified Oct 21, 2025 CWE-401

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.

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor Product
f5 big-ip_next_cloud-native_network_functions
f5 big-ip_next_for_kubernetes
f5 big-ip_next_service_proxy_for_kubernetes

References

Frequently Asked Questions

What is CVE-2025-54805? +
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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2025-54805? +
CVE-2025-54805 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-54805? +
CVE-2025-54805 affects products from f5, specifically: big-ip_next_cloud-native_network_functions, big-ip_next_for_kubernetes, big-ip_next_service_proxy_for_kubernetes. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-54805? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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