Arista Extensible Operating System
YES - ON THE CISA KEV LIST
CVE-2026-7473
Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability
141 days past due
Arista: 4 entries (0.2% of all KEV entries are from this vendor); 4 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
Arista Extensible Operating System (EOS) contains an incomplete comparison with missing factors vulnerability when the switch incorrectly decapsulate and forwards other unexpected tunneled packet with a destination IP matching its configured decapsulation IP.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://www.arista.com/en/support/advisories-notices/security-advisory/24005-security-advisory-0137 ; https://nvd.nist.gov/vuln/detail/CVE-2026-7473
References
Other KEV entries for this vendor: Arista
- CVE-2026-114625 - VeloCloud Orchestrator (2026-10-23)
- CVE-2026-93952 - VeloCloud Orchestrator (2026-09-22)
- CVE-2026-16812 - VeloCloud Orchestrator (2026-07-27)
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