CVE-2021-0006: Intel Ethernet Controller e810 Firmware

Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper conditions check in firmware for Intel(R) Ethernet Adapters 800 Series Controllers and associated adapters before version 1.5.4.0 may allow a privileged user to potentially enable denial of service via local access.

Affected products

• Intel Ethernet Controller e810 Firmware: before 1.5.4.0 (fixed in 1.5.4.0)

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