CVE-2025-43878 MEDIUM

CVE-2025-43878: F5OS-A/C CLI vulnerability

Vendor F5
Product F5OS - Appliance
Weakness CWE-149
Published May 7, 2025
Last update February 26, 2026

CVSS base score

6.0/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

When running in Appliance mode, an authenticated attacker assigned the Administrator or Resource Administrator role may be able to bypass Appliance mode restrictions utilizing system diagnostics tcpdump command utility on a F5OS-C/A system.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Key dates

02Disclosure timeline

May 7, 2025 CVE published
February 26, 2026 Record updated