CVE-2025-43878

F5OS-A/C CLI vulnerability

State: Published
Severity: 8.3 High
Published: May 7, 2025
Updated: Feb 26, 2026
Reserved: Apr 23, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.3 High	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	f5
3.1	6.0 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N	f5

Weaknesses

CWE-149 Improper Neutralization of Quoting Syntax
CWE-1286 Improper Validation of Syntactic Correctness of Input

Affected Products

Product	Versions
F5OS - ApplianceF5	1.5.1 to before 1.8.0Affected
F5OS - ChassisF5	1.6.0 to before 1.8.0Affected

References

https://my.f5.com/manage/s/article/K000139502vendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.