BIG-IP
CVE-2025-21087: TMM Vulnerability
When Client or Server SSL profiles are configured on a Virtual Server, or DNSSEC signing operations are in use, undisclosed traffic can cause an increase in memory and CPU resource utilization.
Published
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 17.1 | 17.1.2 or later |
| BIG-IP 16.1 | Hotfix-BIGIP-16.1.5.2.0.7.5-ENG.iso or later |
| BIG-IP 15.1 | Hotfix-BIGIP-15.1.10.6.0.11.6-ENG.iso or later |
| BIG-IP Next 20.0 | 20.1.0 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
When Client or Server SSL profiles are configured on a Virtual Server, or DNSSEC signing operations are in use, undisclosed traffic can cause an increase in memory and CPU resource utilization.
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.