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 Software | Affected Version | How to fix |
|---|---|---|
| Intel Wi-fi 6 Ax411 Firmware | <22.120 | |
| Intel Wi-fi 6 Ax411 | ||
| Intel Wi-fi 6 Ax211 Firmware | <22.120 | |
| Intel Wi-fi 6 Ax211 | ||
| Intel Wi-fi 6 Ax210 Firmware | <22.120 | |
| Intel Wi-fi 6 Ax210 | ||
| Intel Wi-fi 6 Ax201 Firmware | <22.120 | |
| Intel Wi-fi 6 Ax201 | ||
| Intel Wi-fi 6 Ax200 Firmware | <22.120 | |
| Intel Wi-fi 6 Ax200 | ||
| Intel Wireless-ac 9560 Firmware | <22.120 | |
| Intel Wireless-ac 9560 | ||
| Intel Wireless-ac 9462 Firmware | <22.120 | |
| Intel Wireless-ac 9462 | ||
| Intel Wireless-ac 9461 Firmware | <22.120 | |
| Intel Wireless-ac 9461 | ||
| Intel Wireless-ac 9260 Firmware | <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 7265 Firmware | <22.120 | |
| Intel Wireless 7265 | ||
| Intel Dual Band Wireless-ac 3165 Firmware | <22.120 | |
| Intel Dual Band Wireless-ac 3165 | ||
| Intel Killer Wi-fi 6e Ax1690 Firmware | <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 Firmware | <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).
- collector/nvd-index
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/description
- agent/type
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/remedy
- agent/tags
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/intel
- canonical/intel wi-fi 6 ax411 firmware
- canonical/intel wi-fi 6 ax411
- canonical/intel wi-fi 6 ax211 firmware
- canonical/intel wi-fi 6 ax211
- canonical/intel wi-fi 6 ax210 firmware
- canonical/intel wi-fi 6 ax210
- canonical/intel wi-fi 6 ax201 firmware
- canonical/intel wi-fi 6 ax201
- canonical/intel wi-fi 6 ax200 firmware
- canonical/intel wi-fi 6 ax200
- canonical/intel wireless-ac 9560 firmware
- canonical/intel wireless-ac 9560
- canonical/intel wireless-ac 9462 firmware
- canonical/intel wireless-ac 9462
- canonical/intel wireless-ac 9461 firmware
- canonical/intel wireless-ac 9461
- canonical/intel wireless-ac 9260 firmware
- canonical/intel wireless-ac 9260
- canonical/intel dual band wireless-ac 8265 firmware
- canonical/intel dual band wireless-ac 8265
- canonical/intel dual band wireless-ac 8260 firmware
- canonical/intel dual band wireless-ac 8260
- canonical/intel dual band wireless-ac 3168 firmware
- canonical/intel dual band wireless-ac 3168
- canonical/intel wireless 7265 firmware
- canonical/intel wireless 7265
- canonical/intel dual band wireless-ac 3165 firmware
- canonical/intel dual band wireless-ac 3165
- canonical/intel killer wi-fi 6e ax1690 firmware
- canonical/intel killer wi-fi 6e ax1690
- canonical/intel killer wi-fi 6e ax1675 firmware
- canonical/intel killer wi-fi 6e ax1675
- canonical/intel killer wi-fi 6 ax1650 firmware
- canonical/intel killer wi-fi 6 ax1650
- canonical/intel killer wireless-ac 1550 firmware
- canonical/intel killer wireless-ac 1550