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CVE-2026-40618

BIG-IP SSL/TLS vulnerability

CVSS 8.7 HIGHEPSS 0.3%CWE-131
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 0.3%KEV nãoPoC —Patch referenciado
Lifecycle
13 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition (VE) without Intel QuickAssist Technology (QAT) or on BIG-IP hardware platforms with the database variable crypto.hwacceleration set to disabled, 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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Affected products
F5 · BIG-IPF5 · BIG-IP Next CNFF5 · BIG-IP Next for KubernetesF5 · BIG-IP Next SPK

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References
https://my.f5.com/manage/s/article/K000158082