CWE
119
Advisory Published
Updated

CVE-2021-26257: Buffer Overflow

First published: Thu Aug 18 2022(Updated: )

Improper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120 may allow an authenticated user to potentially enable denial of service via local access.

Credit: secure@intel.com

Affected SoftwareAffected VersionHow to fix
Intel Wi-Fi 6E AX411 Firmware<22.120
Intel Wi-Fi 6E AX411
Intel Wi-Fi 6E AX211 Firmware<22.120
Intel Wi-Fi 6 AX211 Firmware
Intel Wi-Fi 6 AX210<22.120
Intel AMT Wi-Fi 6 AX210
intel Wi-Fi 6 ax201 firmware<22.120
Intel Wi-Fi 6E AX201 Firmware
intel Wi-Fi 6 ax200 firmware<22.120
Intel Wi-Fi 6E AX200
Intel Wireless-AC 9560<22.120
Intel Wireless-AC 9560
Intel Wireless-AC 9462<22.120
Intel Wireless-AC 9462
Intel Wireless-AC 9461<22.120
Intel Wireless-AC 9461
Intel Wireless-AC 9260<22.120
Intel Wireless-AC 9260
Intel dual band wireless-ac 8265 firmware<22.120
Intel Dual Band Wireless-AC 8265
Intel Dual Band Wireless-AC 8260 Firmware<22.120
Intel Dual Band Wireless-AC 8260
Intel Dual Band Wireless-AC 3168 Firmware<22.120
Intel Dual Band Wireless-AC 3168
Intel Wireless-N 7265 Firmware<22.120
Intel Wireless 7265 (rev D)
Intel Dual Band Wireless-AC 3165<22.120
Intel Dual Band Wireless-AC 3165
Intel Killer Wi-Fi 6E AX1690<22.120
Intel Killer Wi-Fi 6E AX1690
intel killer wi-fi 6e ax1675 firmware<22.120
Intel Killer Wi-Fi 6E AX1675
intel killer wi-fi 6 ax1650 firmware<22.120
Intel Killer Wi-Fi 6 AX1650
Intel Killer Wireless-AC 1550<22.120
Intel Killer Wireless-AC 1550

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Frequently Asked Questions

  • What is CVE-2021-26257?

    CVE-2021-26257 is a vulnerability that occurs due to improper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120, which may allow an authenticated user to potentially enable denial of service via local access.

  • What is the severity of CVE-2021-26257?

    The severity of CVE-2021-26257 is medium, with a severity value of 5.5.

  • Which products are affected by CVE-2021-26257?

    The affected products are Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products with firmware versions before 22.120.

  • How can an authenticated user exploit CVE-2021-26257?

    An authenticated user can potentially enable denial of service through local access.

  • Where can I find more information about CVE-2021-26257?

    You can find more information about CVE-2021-26257 at the following link: [Intel Security Advisory](https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.html).

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