Traffic Management Malfunction in F5 BIG-IP AFM and DDoS Solutions
CVE-2026-2507

8.7HIGH

Key Information:

Vendor

F5
Status
Big-ip
Vendor
CVE Published:
18 February 2026

What is CVE-2026-2507?

A vulnerability exists in F5's BIG-IP AFM and BIG-IP DDoS solutions where undisclosed traffic patterns can lead to the termination of the Traffic Management Microkernel (TMM). This malfunction may impact service availability and performance, particularly for environments requiring high reliability. It's important to note that software versions that have reached End of Technical Support (EoTS) were not evaluated for this issue.

Affected Version(s)

BIG-IP 17.5.1.4

BIG-IP 21.0.0

BIG-IP 17.1.0

References

https://my.f5.com/manage/s/article/K000160003
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F5
.