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HIGH · 7.5

CVE-2026-40629

When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.  Note: Software versions which have reached End of Tec...

Vulnerability Description

When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 17.1.0, <= 17.1.3
F5Big-Ip Advanced Firewall Manager>= 17.1.0, <= 17.1.3
F5Big-Ip Advanced Web Application Firewall>= 17.1.0, <= 17.1.3
F5Big-Ip Analytics>= 17.1.0, <= 17.1.3
F5Big-Ip Application Acceleration Manager>= 17.1.0, <= 17.1.3
F5Big-Ip Application Security Manager>= 17.1.0, <= 17.1.3
F5Big-Ip Application Visibility And Reporting>= 17.1.0, <= 17.1.3
F5Big-Ip Automation Toolchain>= 17.1.0, <= 17.1.3
F5Big-Ip Carrier-Grade Nat>= 17.1.0, <= 17.1.3
F5Big-Ip Container Ingress Services>= 17.1.0, <= 17.1.3
F5Big-Ip Ddos Hybrid Defender>= 17.1.0, <= 17.1.3
F5Big-Ip Domain Name System>= 17.1.0, <= 17.1.3
F5Big-Ip Edge Gateway>= 17.1.0, <= 17.1.3
F5Big-Ip Fraud Protection Service>= 17.1.0, <= 17.1.3
F5Big-Ip Global Traffic Manager>= 17.1.0, <= 17.1.3
F5Big-Ip Link Controller>= 17.1.0, <= 17.1.3
F5Big-Ip Local Traffic Manager>= 17.1.0, <= 17.1.3
F5Big-Ip Policy Enforcement Manager>= 17.1.0, <= 17.1.3
F5Big-Ip Ssl Orchestrator>= 17.1.0, <= 17.1.3
F5Big-Ip Webaccelerator>= 17.1.0, <= 17.1.3

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2026-40629?

CVE-2026-40629 is a vulnerability with a CVSS score of 7.5 (HIGH). When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.  Note: Software versions which have reached End of Tec...

How severe is CVE-2026-40629?

CVE-2026-40629 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40629?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.