CVE-2026-34019

medium F5
CVSS v3 Base Score
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.3%
Exploitation probability in 30 days
Top 79% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Published: May 13, 2026 (57 days ago)
Last Modified: June 29, 2026
Vendor: F5
Source: NVD

Description

When Bidirectional Forwarding Detection (BFD) is configured in Static and Dynamic routing protocols, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to stop processing BFD packets and cause the configured routing protocol to fail over.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE

CWE-410

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