BIG-IP
CVE-2025-48008: BIG-IP MPTCP vulnerability
When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel (TMM) to terminate.
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 17.5 | Not affected |
| BIG-IP 17.1 | 17.1.2.2 or later |
| BIG-IP 16.1 | 16.1.6 or later |
| BIG-IP 15.1 | 15.1.10.8 or later |
| BIG-IP Next SPK 2.0 | Not affected |
| BIG-IP Next SPK 1.7 | * or later |
| BIG-IP Next CNF 2.0 | Not affected |
| BIG-IP Next CNF 1.1 | * or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control 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.