CVE-2021-26257

mediumpriority · track · 22EPSS 0.002 · 9 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (9th) EPSS

CVSS 5.5 · medium

Is it mine?

36 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.6mediumAV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 1.8 · impact 3.6

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

affected products (36)

Products and version ranges known to be affected.

n/a Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products≤ before version 22.120enisa_euvdEU
Intel Corp. Intel Dual Band Wireless-AC 3165≤ 22.120fstec_bduRU
Intel Corp. Intel Dual Band Wireless-AC 3168≤ 22.120fstec_bduRU
Intel Corp. Intel Dual Band Wireless-AC 8260≤ 22.120fstec_bduRU
Intel Corp. Intel Wi-Fi 6 AX200≤ 22.120fstec_bduRU
Intel Corp. Intel Wi-Fi 6 AX201≤ 22.120fstec_bduRU
Intel Corp. Intel Wi-Fi 6 AX210≤ 22.120fstec_bduRU
Intel Corp. Intel Wi-Fi 6 AX211≤ 22.120fstec_bduRU
Intel Corp. Intel Wi-Fi 6 AX411≤ 22.120fstec_bduRU
Intel Corp. Intel Wireless 7265 (Rev D)≤ 22.120fstec_bduRU
Intel Corp. Intel Wireless-AC 9260≤ 22.120fstec_bduRU
Intel Corp. Intel Wireless-AC 9461≤ 22.120fstec_bduRU
Intel Corp. Intel Wireless-AC 9462≤ 22.120fstec_bduRU
Intel Corp. Intel Wireless-AC 9560≤ 22.120fstec_bduRU
Intel Corp. Killer Wi-Fi 6 AX1650≤ 22.120fstec_bduRU
Intel Corp. Killer Wi-Fi 6E AX1675≤ 22.120fstec_bduRU
Intel Corp. Killer Wi-Fi 6E AX1690≤ 22.120fstec_bduRU
Intel Corp. Killer Wireless-AC 1550≤ 22.120fstec_bduRU
intel dual band wireless-ac 3165 firmware< 22.120nvdUScpe:2.3:o:intel:dual_band_wireless-ac_3165_firmware:*:*:*:*:*:*:*:*
intel dual band wireless-ac 3168 firmware< 22.120nvdUScpe:2.3:o:intel:dual_band_wireless-ac_3168_firmware:*:*:*:*:*:*:*:*

showing 20 of 36

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-08-18modified 2026-06-17

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references (5)

External citations — patches, advisories, analysis.

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