CVE-2025-53856
TMM vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. To determine which BIG-IP platforms have an ePVA chip refer to K12837: Overview of the ePVA feature https://my.f5.com/manage/s/article/K12837 . Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
| CWE | CWE-705 |
| Vendor | f5 |
| Product | big-ip |
| Published | Oct 15, 2025 |
| Last Updated | Feb 26, 2026 |
Stay Ahead of the Next One
Get instant alerts for f5 big-ip
Be the first to know when new high vulnerabilities affecting f5 big-ip are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
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