CVE-2025-58096 HIGH

CVE-2025-58096: BIG-IP TMM vulnerability

Vendor F5
Product BIG-IP
Weakness CWE-787
Published October 15, 2025
Last update February 26, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Key dates

02Disclosure timeline

October 15, 2025 CVE published
February 26, 2026 Record updated

Related vulnerabilities

04Related CVE