Improper initialization in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may allow a privileged user to potentially enable denial of service via local access.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesHigh
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 1.7 → 4.4 |
| 2026-07-21 | nvd | AV: P→L, AC: H→L, UI: A→N, VA: N→H | 0.0 → 1.7 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| intel | ethernet_controller_i210_firmware | < 3.30 |
| n/a | Intel(R) Ethernet I210 Controller series of network adapters | < 3.30 |
Published: 2021-02-17
