High 7.5Published Feb 18, 2026

CVE-2026-2507BIG-IP TMM Vulnerability

Updated under an hour ago (Oct 27, 2026, 2:10 AM ET)

Does this affect you?

It affects F5 BIG-IP. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for F5 BIG-IP

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: f5
NVD analysis: Deferred
Record last updated: Feb 18, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

F5 BIG-IP f5:big_ip (from the name)	from 21.0.0 not affected; from 17.5.1.4; fixed at 17.5.1.4.0.17.20-ENG; from 17.1.0 not affected; from 16.1.0 not affected	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.