What is the severity of CVE-2025-41431?

The severity of CVE-2025-41431 is critical due to its potential to cause traffic disruptions in standby BIG-IP systems.

How do I fix CVE-2025-41431?

To fix CVE-2025-41431, upgrade to patched versions provided by F5, specifically versions 17.1.2.2 or later for impacted products.

What are the affected products for CVE-2025-41431?

CVE-2025-41431 affects F5 BIG-IP Next SPK, BIG-IP Next CNF, and other versions of BIG-IP and BIG-IQ Centralized Management.

What is connection mirroring in the context of CVE-2025-41431?

Connection mirroring refers to a configuration on virtual servers that enables the synchronizing of connection states between active and standby systems.

What happens if CVE-2025-41431 is exploited?

Exploitation of CVE-2025-41431 can lead to the Traffic Management Microkernel terminating, leading to potential traffic loss and downtime.

Vulnerability/
CVE-2025-41431

high

8.7

CWE

787

EPSS

0.072%

7/5/2025

8/5/2025

CVE-2025-41431: TMM Vulnerability

First published: Wed May 07 2025(Updated: )

When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group.

Credit: f5sirt@f5.com

Affected Software	Affected Version	How to fix
F5 BIG-IP Next
F5 BIG-IP Next	>=1.7.0<=1.9.2
F5 BIG-IP Next
F5 BIG-IP Next	>=1.1.0<=1.4.1
F5 BIG-IP and BIG-IQ Centralized Management	=17.1.2	17.1.2.2
F5 BIG-IP and BIG-IQ Centralized Management

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Reference Links

https://my.f5.com/manage/s/article/K000150668

Frequently Asked Questions

What is the severity of CVE-2025-41431?
The severity of CVE-2025-41431 is critical due to its potential to cause traffic disruptions in standby BIG-IP systems.
How do I fix CVE-2025-41431?
To fix CVE-2025-41431, upgrade to patched versions provided by F5, specifically versions 17.1.2.2 or later for impacted products.
What are the affected products for CVE-2025-41431?
CVE-2025-41431 affects F5 BIG-IP Next SPK, BIG-IP Next CNF, and other versions of BIG-IP and BIG-IQ Centralized Management.
What is connection mirroring in the context of CVE-2025-41431?
Connection mirroring refers to a configuration on virtual servers that enables the synchronizing of connection states between active and standby systems.
What happens if CVE-2025-41431 is exploited?
Exploitation of CVE-2025-41431 can lead to the Traffic Management Microkernel terminating, leading to potential traffic loss and downtime.

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