What’s Vulnerable › Vulnerabilities

CVE-2021-0071

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-17 · updated 2026-06-17
• Weakness: CWE-20

Description

Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

Affected products

• Intel 7265 Firmware: before 22.40 — fixed in 22.40
• Intel 9260 Firmware: all versions
• Intel Ac 3165 Firmware: before 22.40 — fixed in 22.40
• Intel Ac 3168 Firmware: before 22.40 — fixed in 22.40
• Intel Ac 8260 Firmware: before 22.40 — fixed in 22.40
• Intel Ac 8265 Firmware: before 22.40 — fixed in 22.40
• Intel Ac 9260 Firmware: before 22.40 — fixed in 22.40
• Intel Ac 9461 Firmware: before 22.40 — fixed in 22.40
• Intel Ac 9462 Firmware: before 22.40 — fixed in 22.40
• Intel Ac 9560 Firmware: before 22.40 — fixed in 22.40
• Intel Ax200 Firmware: before 22.40 — fixed in 22.40
• Intel Ax201 Firmware: before 22.40 — fixed in 22.40
• Intel Ax210 Firmware: before 22.40 — fixed in 22.40

How to fix

Upgrade to a fixed version: Intel 7265 Firmware 22.40; Intel Ac 3165 Firmware 22.40; Intel Ac 3168 Firmware 22.40; Intel Ac 8260 Firmware 22.40; Intel Ac 8265 Firmware 22.40; Intel Ac 9260 Firmware 22.40; Intel Ac 9461 Firmware 22.40; Intel Ac 9462 Firmware 22.40; Intel Ac 9560 Firmware 22.40; Intel Ax200 Firmware 22.40; Intel Ax201 Firmware 22.40; Intel Ax210 Firmware 22.40. Check the vendor advisory for mitigations.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00509.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00509.html

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