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CVE-2025-55670

BIG-IP Next (CNF, SPK, and Kubernetes) vulnerability

On BIG-IP Next CNF, BIG-IP Next SPK, and BIG-IP Next for Kubernetes systems, repeated undisclosed API calls can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Next Big-ip Next Cloud-native Network Functions and 3 more
CVE-2025-54805

TMM Vulnerability

When an iRule is configured on a virtual server via the declarative API, upon re-instantiation, the cleanup process can cause an increase in the Traffic Management Microkernel (TMM) memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Next Big-ip Next Cloud-native Network Functions and 3 more
CVE-2025-58120

BIG-IP Next (CNF, SPK, and Kubernetes) vulnerability

When HTTP/2 Ingress is configured, 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.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Next Big-ip Next Cloud-native Network Functions and 3 more
CVE-2025-61974

BIG-IP SSL/TLS vulnerability

When a client SSL profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
F5
Products
Big-ip Big-ip Next Big-ip Next Cloud-native Network Functions and 3 more