CVE-2021-0009: Intel Ethernet Controller e810 Firmware

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Out-of-bounds read in the firmware for Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.3.0 may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Affected products

• Intel Ethernet Controller e810 Firmware: before 1.5.3.0 (fixed in 1.5.3.0)

Published 2021-08-11. Last modified 2026-06-17.