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Arista EOS

Arista EOS (Extensible Operating System) is the network OS running on Arista switches; CVE-2026-7473 affects the 7020R, 7280R and 7500R series.

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#10 14 Jul

Mentioned in: A quiet KEV fortnight, then a 2008 bug

Cybersecurity: Threats and Defences
#7 9 Jun

Ran vulnerable tunnel decapsulation logic across the 7020R, 7280R, and 7500R series

Cybersecurity: Threats and Defences: Arista refuses to patch KEV flaw