CVE-2025-48008: BIG-IP MPTCP vulnerability

Published Oct 15, 2025
·
Updated

When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel (TMM) to terminate.

Affected Software

49 affected componentsFixes available
F5 BIG-IP Next SPK>=1.7.0<=1.9.2
F5 BIG-IP Next CNF>=1.1.0<=1.4.1
F5 BIG-IP>=17.1.0<=17.1.2
17.1.2.2
F5 BIG-IP>=16.1.0<=16.1.5
16.1.6
F5 BIG-IP>=15.1.0<=15.1.10
15.1.10.8
F5 Big-ip Next Cloud-native Network Functions>=1.1.0<=1.4.1
F5 Big-ip Next Service Proxy For Kubernetes>=1.7.0<=1.9.2
F5 BIG-IP Access Policy Manager>=15.1.0<15.1.10.8
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.10.8
F5 Big-ip Advanced Web Application Firewall>=15.1.0<15.1.10.8
F5 BIG-IP Analytics>=15.1.0<15.1.10.8
F5 Big-ip Application Acceleration Manager>=15.1.0<15.1.10.8
F5 BIG-IP Application Security Manager>=15.1.0<15.1.10.8
F5 Big-ip Application Visibility And Reporting>=15.1.0<15.1.10.8
F5 Big-ip Automation Toolchain>=15.1.0<15.1.10.8
F5 Big-ip Carrier-grade Nat>=15.1.0<15.1.10.8
F5 BIG-IP Container Ingress Services>=15.1.0<15.1.10.8
F5 Big-ip Ddos Hybrid Defender>=15.1.0<15.1.10.8
F5 Big-ip Domain Name System>=15.1.0<15.1.10.8
F5 BIG-IP Edge Gateway>=15.1.0<15.1.10.8
F5 Big-ip Fraud Protection Service>=15.1.0<15.1.10.8
F5 Big-ip Global Traffic Manager>=15.1.0<15.1.10.8
F5 Big-ip Link Controller>=15.1.0<15.1.10.8
F5 Big-ip Local Traffic Manager>=15.1.0<15.1.10.8
F5 Big-ip Policy Enforcement Manager>=15.1.0<15.1.10.8
F5 BIG-IP SSL Orchestrator>=15.1.0<15.1.10.8
F5 Big-ip Webaccelerator>=15.1.0<15.1.10.8
F5 Big-ip Websafe>=15.1.0<15.1.10.8
F5 BIG-IP Access Policy Manager>=16.1.0<16.1.6
F5 BIG-IP Advanced Firewall Manager>=16.1.0<16.1.6
F5 Big-ip Advanced Web Application Firewall>=16.1.0<16.1.6
F5 BIG-IP Analytics>=16.1.0<16.1.6
F5 Big-ip Application Acceleration Manager>=16.1.0<16.1.6
F5 BIG-IP Application Security Manager>=16.1.0<16.1.6
F5 Big-ip Application Visibility And Reporting>=16.1.0<16.1.6
F5 Big-ip Automation Toolchain>=16.1.0<16.1.6
F5 Big-ip Carrier-grade Nat>=16.1.0<16.1.6
F5 BIG-IP Container Ingress Services>=16.1.0<16.1.6
F5 Big-ip Ddos Hybrid Defender>=16.1.0<16.1.6
F5 Big-ip Domain Name System>=16.1.0<16.1.6
F5 BIG-IP Edge Gateway>=16.1.0<16.1.6
F5 Big-ip Fraud Protection Service>=16.1.0<16.1.6
F5 Big-ip Global Traffic Manager>=16.1.0<16.1.6
F5 Big-ip Link Controller>=16.1.0<16.1.6
F5 Big-ip Local Traffic Manager>=16.1.0<16.1.6
F5 Big-ip Policy Enforcement Manager>=16.1.0<16.1.6
F5 BIG-IP SSL Orchestrator>=16.1.0<16.1.6
F5 Big-ip Webaccelerator>=16.1.0<16.1.6
F5 Big-ip Websafe>=16.1.0<16.1.6

Event History

Oct 15, 2025
Advisory Published
via F5·10:21 AM
Data Sourced
via F5·10:21 AM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·01:55 PM
Data Sourced
via MITRE·01:55 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-48008?

CVE-2025-48008 is classified as a moderate severity vulnerability due to potential service disruption.

2

How do I fix CVE-2025-48008?

To fix CVE-2025-48008, upgrade to the appropriate patched version of F5 BIG-IP as specified in the vendor's advisory.

3

What systems are affected by CVE-2025-48008?

CVE-2025-48008 affects F5 BIG-IP Next SPK, BIG-IP Next CNF, and certain versions of F5 BIG-IP 15.x, 16.x, and 17.x.

4

Can CVE-2025-48008 lead to a denial of service?

Yes, CVE-2025-48008 can cause the Traffic Management Microkernel (TMM) to terminate, potentially leading to a denial of service.

5

Is there a specific version required for remediation of CVE-2025-48008?

Remediation for CVE-2025-48008 requires specific patched versions of F5 BIG-IP, such as 15.1.10.8, 16.1.6, or 17.1.2.2.

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