Coverage › CVE-2026-7473
CVE-2026-7473 Unmapped
Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability
- Vendor / product
- Arista — Extensible Operating System
- Description (CISA)
- 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.
- Added to KEV
- 2026-06-09 — after the latest CTID mapping snapshot (2025-07-28)
- Due date
- 2026-06-23
- 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.
- Known ransomware use
- Unknown
- CWE
- CWE-1023
- CISA notes
- https://www.arista.com/en/support/advisories-notices/security-advisory/24005-security-advisory-0137
https://nvd.nist.gov/vuln/detail/CVE-2026-7473 - Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2026-7473. This entry was added to KEV on 2026-06-09, after that snapshot; of the 283 entries added since, 0 have a mapping. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-1023) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.