CVE-2026-40629

high F5
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.3%
Exploitation probability in 30 days
Top 76% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: May 13, 2026 (57 days ago)
Last Modified: June 29, 2026
Vendor: F5
Source: NVD

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.

CWE

CWE-770

Affected Products

f5 big-ip access policy managerf5 big-ip advanced firewall managerf5 big-ip advanced web application firewallf5 big-ip analyticsf5 big-ip application acceleration managerf5 big-ip application security managerf5 big-ip application visibility and reportingf5 big-ip automation toolchainf5 big-ip carrier-grade natf5 big-ip container ingress services

References

🔗 my.f5.com