CVE-2026-7473 — Actively Exploited: Extensible Operating System (Arista)
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.
| CVE ID | CVE-2026-7473 |
|---|---|
| Vendor | Arista |
| Product | Extensible Operating System |
| Vulnerability name | Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability |
| Date added | 2026-06-09 |
| Remediation due | 2026-06-23 |
| Known ransomware use | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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