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CVE-2026-73458

On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause the BFD session(s) to go down. This may result in undesirable network changes because various rou PUBLISHED

Description (CNA)

On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause the BFD session(s) to go down. This may result in undesirable network changes because various routing protocols monitor status on BFD session(s).

Affected (CNA)

Vendor / productVersions
Arista Networks / EOSaffected 4.36.0 through 4.36.1F; affected 4.35.0 through 4.35.5M; affected 4.34.0 through 4.34.7M; affected 4.33.0 through 4.33.8M

CWE

CWE-303

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.