CVE-2021-33141: Intel Ethernet Adapter Complete Driver

High severity, CVSS 8.6. EPSS: 0.8% 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 an unauthenticated user to potentially enable denial of service via network 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.