CVE-2025-55670

Published: Oct 15, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

Vendor	Product	Versions
F5	BIG-IP Next SPK	unaffected `2.0.0 - < ` affected `1.7.0 - < `
F5	BIG-IP Next CNF	unaffected `2.0.0 - < ` affected `1.1.0 - < `
F5	BIG-IP Next for Kubernetes	affected `2.0.0 - < 2.1.0`

Weaknesses (CWE)

CWE-770

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

https://my.f5.com/manage/s/article/K000154614

vendor-advisory

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CVE-2025-55670

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References