Vulnerability · Published Oct 15, 2025 · Assigned by f5

CVE-2025-58071BIG-IP IPSec vulnerability

High 7.5

In plain English

A high-severity security flaw in BIG-IP from F5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 69.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
F5 BIG-IP 17.5.0 – before 17.5.117.1.0 – before 17.1.316.1.0 – before 16.1.6.115.1.0 – before 15.1.10.8
F5 BIG-IP Next CNF 2.0.0 – before *1.1.0 – before *
F5 BIG-IP Next for Kubernetes 2.0.0 – before *

Weakness: CWE-457 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References