BIG-IP
CVE-2025-61990: TMM vulnerability
When using a multi-bladed platform with more than one blade, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 4.0 8.7
EPSS0.35%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| BIG-IP 17.5 | 17.5.1.3 or later |
| BIG-IP 17.1 | 17.1.3 or later |
| BIG-IP 16.1 | 16.1.6.1 or later |
| BIG-IP 15.1 | 15.1.10.8 or later |
| BIG-IP Next SPK 2.0 | 2.0.0-EHF-2, 2.0.2-EHF-2, 2.1.0-EHF-1 or later |
| BIG-IP Next SPK 1.9 | * or later |
| BIG-IP Next SPK 1.8 | * or later |
| BIG-IP Next SPK 1.7 | 1.7.14-EHF-2 or later |
| BIG-IP Next CNF 2.0 | 2.0.0-EHF-2, 2.0.2-EHF-2, 2.1.0-EHF-1 or later |
| BIG-IP Next CNF 1.1 | 1.4.0-EHF-3 or later |
| BIG-IP Next for Kubernetes 2.0 | 2.1.0-EHF-1 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
When using a multi-bladed platform with more than one blade, 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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.