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TI-2025-35944 Aliases CVE-2025-58120GHSA-jg4r-5fpx-73gm

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

Priority MEDIUM 44CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00348 28th percentileScored 2026-11-07
Fix Fixed BIG-IP Next SPK (F5): 2.0.1BIG-IP Next CNF (F5): 2.0.1+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
F5BIG-IP Next SPK2.0.0 to before 2.0.1; 1.9.0 and later; 1.8.0 and later; 1.7.0 and later2.0.1Patch availableCNA
F5BIG-IP Next CNF2.0.0 to before 2.0.1; 1.1.0 and later2.0.1Patch availableCNA
F5BIG-IP Next for Kubernetes2.0.0 to before 2.1.02.1.0Patch availableCNA
  • BIG-IP Next SPK VendorF5 Affected 2.0.0 to before 2.0.1; 1.9.0 and later; 1.8.0 and later; 1.7.0 and later Fixed in 2.0.1 Patch available CNA
  • BIG-IP Next CNF VendorF5 Affected 2.0.0 to before 2.0.1; 1.1.0 and later Fixed in 2.0.1 Patch available CNA
  • BIG-IP Next for Kubernetes VendorF5 Affected 2.0.0 to before 2.1.0 Fixed in 2.1.0 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:*1.1.0 – 1.4.1VulnerableF5
cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableF5
cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:*:*:*:*:*:*:*:*1.7.0 to before 1.7.14VulnerableF5
cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:1.7.14:-:*:*:*:*:*:*1.7.14VulnerableF5
cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableF5
  • cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:*:*:*:*:*:*:*:* Versions 1.1.0 – 1.4.1 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_cloud-native_network_functions:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_for_kubernetes:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:*:*:*:*:*:*:*:* Versions 1.7.0 to before 1.7.14 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:1.7.14:-:*:*:*:*:*:* Versions 1.7.14 Vulnerable ·F5
  • cpe:2.3:a:f5:big-ip_next_service_proxy_for_kubernetes:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·F5

Remediation

  • Fix · CNA BIG-IP Next SPK (F5) Fixed in 2.0.1
  • Fix · CNA BIG-IP Next CNF (F5) Fixed in 2.0.1
  • Fix · CNA BIG-IP Next for Kubernetes (F5) Fixed in 2.1.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    F5 BIG-IP Next for Kubernetes 2.1.0

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-58120
  2. 2026-10-03 Alias added: GHSA-jg4r-5fpx-73gm

References

See all 26 →

Sources