ACTIVELY EXPLOITED
CVE-2026-7473: Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability
| Vendor | Arista |
|---|---|
| Product | Extensible Operating System |
| Actively exploited | Yes |
| Added to CISA KEV | 9 Jun 2026 |
| CISA federal deadline | 23 Jun 2026 |
| Weakness (CWE) | CWE-1023 |
Required action (CISA's text)
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 (NVD)
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.
SOURCES
Other Arista flaws
- CVE-2026-114625: Arista VeloCloud Orchestrator SQL Injection Vulnerability
- CVE-2026-93952: Arista VeloCloud Orchestrator Improper Input Validation Vulnerability
- CVE-2026-16812: Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.