CVE-2025-61958
BIG-IP TMSH vulnerability
CVSS Score
8.7
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability exists in the iHealth command that may allow an authenticated attacker with at least a resource administrator role to bypass tmsh restrictions and gain access to a bash shell. For BIG-IP systems running in Appliance mode, a successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
| CWE | CWE-250 |
| Vendor | f5 |
| Product | big-ip |
| Published | Oct 15, 2025 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
F5 / BIG-IP
17.5.0 < 17.5.1.1 17.1.0 < 17.1.3 16.1.0 < 16.1.6.1 15.1.0 < 15.1.10.8
Credits
F5 acknowledges Australian Cyber Security Centre for bringing this issue to our attention and following the highest standards of coordinated disclosure.