{"id":"CVE-2021-26257","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-26257","generatedAt":"2026-10-27T23:36:25.667Z","title":"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.","description":"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.","published":"2022-08-18T20:15:09.000Z","lastModified":"2026-06-17T03:43:01.000Z","status":"Modified","sourceIdentifier":"secure@intel.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-119"],"affected":["intel/wi-fi 6 ax411 firmware","intel/wi-fi 6 ax211 firmware","intel/wi-fi 6 ax210 firmware","intel/wi-fi 6 ax201 firmware","intel/wi-fi 6 ax200 firmware","intel/wireless-ac 9560 firmware","intel/wireless-ac 9462 firmware","intel/wireless-ac 9461 firmware","intel/wireless-ac 9260 firmware","intel/dual band wireless-ac 8265 firmware","intel/dual band wireless-ac 8260 firmware","intel/dual band wireless-ac 3168 firmware","intel/wireless 7265 firmware","intel/dual band wireless-ac 3165 firmware","intel/killer wi-fi 6e ax1690 firmware","intel/killer wi-fi 6e ax1675 firmware","intel/killer wi-fi 6 ax1650 firmware","intel/killer wireless-ac 1550 firmware"],"epss":{"score":0.00195,"percentile":0.09078,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.html","tags":["Patch","Vendor Advisory"],"source":"secure@intel.com"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-26257","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}