How severe is CVE-2021-23223?

CVE-2021-23223 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23223?

CVE-2021-23223 primarily affects Intel Killer Wi-fi 6e Ax1690 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-23223?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-23223 published?

CVE-2021-23223 was published on 2022-08-18 and last updated on 2026-06-17.

CVE-2021-23223

CVE-2021-23223 is a high-severity vulnerability in Intel Killer Wi-fi 6e Ax1690 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-665.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Intel Killer Wi-fi 6e Ax1690 Firmware
Published: 2022-08-18
Last modified: 2026-06-17

Description

Improper initialization for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2021-23223?: Improper initialization for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2021-23223?: CVE-2021-23223 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23223?: CVE-2021-23223 primarily affects Intel Killer Wi-fi 6e Ax1690 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-23223?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-23223 published?: CVE-2021-23223 was published on 2022-08-18 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:intel:killer_wi-fi_6e_ax1690_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:killer_wi-fi_6e_ax1675_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:proset_wi-fi_6e_ax210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:wi-fi_6e_ax211_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:intel:wi-fi_6e_ax411_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Intel Killer Wi-fi 6e Ax1690 Firmware

CVE-2021-37409 — High (CVSS 7.8): Improper access control for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user…
CVE-2021-33847 — High (CVSS 7.8): Improper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products…
CVE-2021-23179 — High (CVSS 7.1): Out of bounds read in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before…
CVE-2021-44545 — Medium (CVSS 6.5): Improper input validation for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an…
CVE-2021-23168 — Medium (CVSS 6.5): Out of bounds read for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow an unauthenticated…
CVE-2022-21140 — Medium (CVSS 5.5): Improper access control for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi products may allow a privileged user…

All CVEs affecting Intel Killer Wi-fi 6e Ax1690 Firmware →

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CVE-2021-41264 — Critical (CVSS 9.8): OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using…
CVE-2019-10196 — Critical (CVSS 9.8): A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option…
CVE-2015-8367 — Critical (CVSS 9.8): The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory errors and possibly execute…
CVE-2019-14271 — Critical (CVSS 9.8): In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the…

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