{"id":"CVE-2020-26652","aliases":["EUVD-2020-19194","GHSA-cmv9-rhxg-f4xc","UBUNTU-CVE-2020-26652"],"status":"published","title":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers...","description":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00741,"percentile":0.54914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-08-22T00:00:00Z","modified":"2026-06-17T03:08:17Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"rtl8812au","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu1","4.3.8.12175.20140902+dfsg-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"rtl8812au","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu7","4.3.8.12175.20140902+dfsg-0ubuntu8","4.3.8.12175.20140902+dfsg-0ubuntu8.1","4.3.8.12175.20140902+dfsg-0ubuntu12~ubuntu18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"rtl8812au","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu12","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.1","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.2","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.3","4.3.8.12175.20140902+dfsg-0ubuntu13~20.04.4"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"rtl8812au","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu14","4.3.8.12175.20140902+dfsg-0ubuntu15","4.3.8.12175.20140902+dfsg-0ubuntu17~22.04.1","4.3.8.12175.20140902+dfsg-0ubuntu17~22.04.2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"rtl8812au","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8.12175.20140902+dfsg-0ubuntu20","4.3.8.12175.20140902+dfsg-0ubuntu21","4.3.8.12175.20140902+dfsg-0ubuntu22","4.3.8.12175.20140902+dfsg-0ubuntu23","4.3.8.12175.20140902+dfsg-0ubuntu23.1"]}],"products":[{"vendor":"aircrack-ng","product":"aircrack-ng"},{"vendor":"realtek","product":"rtl8812au_firmware"}],"references":[{"url":"https://github.com/aircrack-ng/rtl8812au/issues/730","tags":["x_transferred","Exploit","Issue Tracking","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26652"},{"url":"https://github.com/advisories/GHSA-cmv9-rhxg-f4xc"},{"url":"https://ubuntu.com/security/CVE-2020-26652","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-26652","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-26652","description":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T19:27:53.194Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-19194","description":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T19:27:53Z","updated_at":"2026-11-03T00:27:53.790276Z"}],"ghsa":[{"id":"GHSA-cmv9-rhxg-f4xc","title":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers...","description":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.","status":"published","published":"2023-08-22T21:30:26Z","modified":"2024-10-03T21:31:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:58:24.643851Z"}],"nvd":[{"id":"CVE-2020-26652","description":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.","status":"published","published":"2023-08-22T19:16:19.943Z","modified":"2026-06-17T03:08:17.51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:06:47.910346Z"}],"osv":[{"id":"UBUNTU-CVE-2020-26652","description":"An issue was discovered in function nl80211_send_chandef in rtl8812au v5.6.4.2 allows attackers to cause a denial of service.","status":"published","published":"2023-08-22T19:16:00Z","modified":"2026-01-20T17:06:28.005773Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:24.541803Z"}]}}