BIG-IP AFM/DDoS Undisclosed Traffic Causing TMM Crash
CVE-2026-2507 Published on February 18, 2026
BIG-IP TMM Vulnerability
When BIG-IP AFM or BIG-IP DDoS is provisioned, undisclosed traffic can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability Analysis
CVE-2026-2507 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2026-2507
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2026-2507 are published in F5 Networks Big Ip:
Affected Versions
F5 BIG-IP:- Version 21.0.0 and below * is unaffected.
- Version 17.5.1.4 and below * is affected.
- Version 17.1.0 and below * is unaffected.
- Version 16.1.0 and below * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.