CVE-2025-41431: TMM Vulnerability

Published May 7, 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.

Affected Software

13 affected componentsFixes available
F5 BIG-IP=17.1.2
17.1.2.2
F5 BIG-IP
F5 BIG-IP Access Policy Manager=17.1.2
F5 BIG-IP Advanced Firewall Manager=17.1.2
F5 BIG-IP Analytics=17.1.2
F5 Big-ip Application Acceleration Manager=17.1.2
F5 BIG-IP Application Security Manager=17.1.2
F5 Big-ip Domain Name System=17.1.2
F5 Big-ip Fraud Protection Service=17.1.2
F5 Big-ip Global Traffic Manager=17.1.2
F5 Big-ip Link Controller=17.1.2
F5 Big-ip Local Traffic Manager=17.1.2
F5 Big-ip Policy Enforcement Manager=17.1.2

Event History

May 7, 2025
Advisory Published
via F5·12:52 PM
CVE Published
via MITRE·10:04 PM
Data Sourced
via MITRE·10:04 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

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.

2

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.

3

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.

4

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.

5

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.

Contact

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