CVE-2025-43878

F5OS-A/C CLI vulnerability

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.

Category

8.3
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory f5.com
Affected: F5 F5OS - Appliance
Affected: F5 F5OS - Chassis
Published at:
Updated at:

References

Link Tags
https://my.f5.com/manage/s/article/K000139502 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-43878?
CVE-2025-43878 has been scored as a high severity vulnerability.
How to fix CVE-2025-43878?
To fix CVE-2025-43878, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-43878 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-43878 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-43878?
CVE-2025-43878 affects F5 F5OS - Appliance, F5 F5OS - Chassis.
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