CVE-2025-54479

Name: CVE-2025-54479
Creator: NVD / NIST
Published: 2025-10-15T14:15:49.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2025-54479 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. When a classification profile is configured on a virtual server without an HTTP or HTTP/2 profile, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

When a classification profile is configured on a virtual server without an HTTP or HTTP/2 profile, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.32%

23.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
F5	Big-Ip Next Cloud-Native Network Functions	>= 1.1.0, <= 1.4.0
F5	Big-Ip Next Cloud-Native Network Functions	2.0.0
F5	Big-Ip Next Cloud-Native Network Functions	2.0.1
F5	Big-Ip Next Cloud-Native Network Functions	2.0.2
F5	Big-Ip Next Cloud-Native Network Functions	2.1.0
F5	Big-Ip Next For Kubernetes	2.0.0
F5	Big-Ip Next For Kubernetes	2.1.0
F5	Big-Ip Policy Enforcement Manager	>= 15.1.0, < 15.1.10.8
F5	Big-Ip Policy Enforcement Manager	>= 16.1.0, < 16.1.6.1
F5	Big-Ip Policy Enforcement Manager	>= 17.1.0, < 17.1.3
F5	Big-Ip Policy Enforcement Manager	17.5.0

References

https://my.f5.com/manage/s/article/K000151475Vendor Advisory

Timeline

Published: Oct 15, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-54479?

How severe is CVE-2025-54479?

CVE-2025-54479 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2025-54479?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-54479?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST