CVE-2025-59481 HIGH

CVE-2025-59481: BIG-IP iControl REST and tmsh vulnerability

Vendor F5
Product BIG-IP
Weakness CWE-250
Published October 15, 2025
Last update February 26, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with at least resource administrator role to execute arbitrary system commands with higher privileges.  A successful exploit can allow the attacker to cross a security boundary.  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