CVE-2026-42408
BIG-IP DNS tmsh vulnerability
CVSS Score
4.4
EPSS Score
0.0%
EPSS Percentile
0th
When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
| CWE | CWE-312 |
| Vendor | f5 |
| Product | big-ip |
| Published | May 13, 2026 |
| Last Updated | May 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
F5 / BIG-IP
17.5.0 < 17.5.1.4 17.1.0 < 17.1.3.1 16.1.0 < *
Credits
F5