CVE-2025-58071

BIG-IP IPSec vulnerability

State: Published
Severity: 8.7 High
Published: Oct 15, 2025
Updated: Feb 26, 2026
Reserved: Oct 6, 2025

Description

When IPsec is configured on the BIG-IP system, 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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	f5
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	f5

Weaknesses

CWE-457 Use of Uninitialized Variable

Affected Products

Product	Versions
BIG-IPF5	17.5.0 to before 17.5.1Affected 17.1.0 to before 17.1.3Affected 16.1.0 to before 16.1.6.1Affected 15.1.0 to before 15.1.10.8Affected
BIG-IP Next CNFF5	2.0.0 and laterAffectedfrom 2.1.0-EHF-1Not affectedfrom 2.0.2-EHF-2Not affectedfrom 2.0.0-EHF-2Not affected 1.1.0 and laterAffectedfrom 1.4.0-EHF-3Not affected
BIG-IP Next for KubernetesF5	2.0.0 and laterAffectedfrom 2.1.0-EHF-1Not affected

References

https://my.f5.com/manage/s/article/K000156746vendor-advisory

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