CVE-2025-53474
BIG-IP iRules vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
When an iRule using an ILX::call command is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
| CWE | CWE-120 |
| 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:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
F5 / BIG-IP
17.5.0 < 17.5.1.3 17.1.0 < 17.1.3 16.1.0 < 16.1.6.1 15.1.0 < 15.1.10.8
Credits
F5