CVE-2026-40618highCWE-131

CVE-2026-40618: high-severity vulnerability in F5 BIG-IP

BIG-IP SSL/TLS vulnerability

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.3%
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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