F5OS-A/C CLI vulnerability
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| F5 | F5OS - Appliance | 1.5.1 to before 1.8.0 | 1.8.0 | Patch available | CNA |
| F5 | F5OS - Chassis | 1.6.0 to before 1.8.0 | 1.8.0 | Patch available | CNA |
- F5OS - Appliance VendorF5 Affected 1.5.1 to before 1.8.0 Fixed in 1.8.0 Patch available CNA
- F5OS - Chassis VendorF5 Affected 1.6.0 to before 1.8.0 Fixed in 1.8.0 Patch available CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:f5:f5os-a:*:*:*:*:*:*:*:* | 1.5.1 to before 1.8.0 | Vulnerable | F5 |
| cpe:2.3:o:f5:f5os-c:*:*:*:*:*:*:*:* | 1.6.0 – 1.6.2 | Vulnerable | F5 |
| cpe:2.3:h:f5:r10600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
| cpe:2.3:h:f5:r10800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
| cpe:2.3:h:f5:r10900:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
| cpe:2.3:h:f5:r12600-ds:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
| cpe:2.3:h:f5:r12800-ds:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
| cpe:2.3:h:f5:r12900-ds:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
| cpe:2.3:h:f5:r5600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
| cpe:2.3:h:f5:r5800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | F5 |
- cpe:2.3:o:f5:f5os-a:*:*:*:*:*:*:*:* Versions 1.5.1 to before 1.8.0 Vulnerable ·F5
- cpe:2.3:o:f5:f5os-c:*:*:*:*:*:*:*:* Versions 1.6.0 – 1.6.2 Vulnerable ·F5
- cpe:2.3:h:f5:r10600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
- cpe:2.3:h:f5:r10800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
- cpe:2.3:h:f5:r10900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
- cpe:2.3:h:f5:r12600-ds:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
- cpe:2.3:h:f5:r12800-ds:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
- cpe:2.3:h:f5:r12900-ds:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
- cpe:2.3:h:f5:r5600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
- cpe:2.3:h:f5:r5800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·F5
Remediation
- Fix · CNA F5OS - Appliance (F5) Fixed in 1.8.0
- Fix · CNA F5OS - Chassis (F5) Fixed in 1.8.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
F5 F5OS - Chassis 1.8.0
3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2025-24871 F5OS Appliance Mode vulnerabilityPriority MEDIUM 42
- TI-2025-29017 F5OS vulnerabilityPriority MEDIUM 40
Timeline
- 2026-10-02 Threatist record created from CVE-2025-43878
- 2026-10-03 Alias added: GHSA-jv2x-vg3f-2535
References
More F5os-a vulnerabilities
- TI-2002-02356 The Diffie-Hellman Key Agreement Protocol allows remote attackers (from the client side)… CVSS 3.1HIGH 7.5
- TI-2025-24871 F5OS Appliance Mode vulnerability CVSS 4.0CRITICAL 9.2
- TI-2025-29017 F5OS vulnerability CVSS 4.0HIGH 8.7
- TI-2025-38297 F5OS vulnerability CVSS 4.0HIGH 8.5
- TI-2025-35664 F5OS Vulnerability CVSS 4.0HIGH 8.5
- TI-2022-20188 F5OS vulnerability CVE-2022-41835 CVSS 3.1HIGH 8.8
Sources
- CVE-2025-43878 · CVE Program
- CVE-2025-43878 · NVD
- FIRST EPSS
- GHSA-jv2x-vg3f-2535 · GitHub Advisory Database · CC BY 4.0
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