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CVE-2025-48008

BIG-IP MPTCP vulnerability

HIGH
7.5
CVSS Score
Published: October 15, 2025 at 01:55 PM UTC
Updated: October 18, 2026 at 09:10 PM UTC
24 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Access Policy Manager· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Advanced Firewall Manager· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Advanced Web Application Firewall· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Analytics· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Application Acceleration Manager· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Application Security Manager· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Application Visibility and Reporting· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Automation Toolchain· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
Big IP Carrier Grade Nat· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6
BIG-IP Container Ingress Services· F5
95%
15.1.0 ≤ v < 15.1.10.816.1.0 ≤ v < 16.1.6

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://my.f5.com/manage/s/article/K000150614

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHf5
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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