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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.

PUBLISHED Reserved 2026-04-30 | Published 2026-05-13 | Updated 2026-05-13 | Assigner f5




MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem types

CWE-410: Insufficient Resource Pool

Product status

Default status
unknown

21.0.0 (custom) before *
unaffected

17.5.0 (custom) before 17.5.1
affected

17.1.0 (custom) before 17.1.3
affected

16.1.0 (custom) before *
affected

Credits

F5 finder

References

my.f5.com/manage/s/article/K000150508 vendor-advisory patch

cve.org (CVE-2026-34019)

nvd.nist.gov (CVE-2026-34019)

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