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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | F5Os-A | >= 1.5.1, < 1.8.0 |
| F5 | F5Os-C | >= 1.6.0, <= 1.6.2 |
| F5 | R10600 | - |
| F5 | R10800 | - |
| F5 | R10900 | - |
| F5 | R12600-Ds | - |
| F5 | R12800-Ds | - |
| F5 | R12900-Ds | - |
| F5 | R5600 | - |
| F5 | R5800 | - |
| F5 | R5900 | - |
| F5 | Velos Cx1610 | - |
| F5 | Velos Cx410 | - |
Related Weaknesses (CWE)
References
- https://my.f5.com/manage/s/article/K000139502Vendor Advisory
FAQ
What is CVE-2025-43878?
CVE-2025-43878 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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 tcpdu...
How severe is CVE-2025-43878?
CVE-2025-43878 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-43878?
Check the references section above for vendor advisories and patch information. Affected products include: F5 F5Os-A, F5 F5Os-C, F5 R10600, F5 R10800, F5 R10900.