CVE-2021-33161: Intel Ethernet Adapter Complete Driver

High severity, CVSS 7.2. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow a privileged user to potentially enable escalation of privilege via local access.

Affected products

• Intel Ethernet Adapter Complete Driver: before 29.0.1 (fixed in 29.0.1)
• Intel Ethernet Controller i225-It Firmware: before 1.87 (fixed in 1.87)
• Intel Ethernet Controller i225-Lm Firmware: before 1.87 (fixed in 1.87)
• Intel Ethernet Controller i225-V Firmware: before 1.87 (fixed in 1.87)

Published 2024-02-23. Last modified 2026-06-17.