CVE-2025-48008 - CVE House
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Status published High CVE-2025-48008

BIG-IP MPTCP vulnerability

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • F5

Affected Vendor

Affected Software

BIG-IP, BIG-IP Next SPK, BIG-IP Next CNF
Vulnerable Versions:
17.5.0, 17.1.0, 16.1.0, 15.1.0, 2.0.0, 1.7.0, 1.1.0

Timeline

Official Publish: October 15th, 2025
Last Modified: February 26th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)