CVE-2025-55670 — Allocation of Resources Without Limits or Throttling in F5 Big-ip Next CNF

CWE-770 — Allocation of Resources Without Limits or Throttling4 documents4 sources
Severity
7.1HIGHNVD
EPSS
0.1%
top 75.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
F5 Big-ip Next CNFF5 Big-ip Next FOR KubernetesF5 Big-ip Next SPK+2 more
Timeline
PublishedOct 15

Description

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 vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Packages6 packages

▶CVEListV5f5/big-ip_next_for_kubernetes2.0.0 — 2.1.0
▶CVEListV5f5/big-ip_next_cnf1.1.0 — *
▶CVEListV5f5/big-ip_next_spk1.7.0 — *
▶NVDf5/big-ip_next_service_proxy1.7.0 — 1.9.2

🔴Vulnerability Details

2
CVEList
BIG-IP Next (CNF, SPK, and Kubernetes) vulnerability↗2025-10-15
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GHSA
GHSA-jrj4-84w3-hw4h: 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 Microkern↗2025-10-15
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📋Vendor Advisories

1
F5
CVE-2025-55670: On BIG-IP Next CNF, BIG-IP Next SPK, and BIG-IP Next for Kubernetes systems, repeated undisclosed API calls can cause...↗2025-10-15
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CVE-2025-55670 — F5 Big-ip Next CNF vulnerability | cvebase