{"id":"CVE-2021-43573","aliases":["EUVD-2021-30491","GHSA-7fmp-m7xh-f474"],"status":"published","title":"A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the...","description":"A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01104,"percentile":0.66174,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-11-11T03:58:13Z","modified":"2026-06-17T04:11:09Z","products":[{"vendor":"realtek","product":"rtl8195am_firmware"}],"references":[{"url":"https://www.amebaiot.com/en/security_bulletin/cve-2021-43573/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43573"},{"url":"https://realtek.com"},{"url":"https://github.com/advisories/GHSA-7fmp-m7xh-f474"}],"sources":{"cve":[{"id":"CVE-2021-43573","description":"A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.","status":"published","published":"2021-11-11T03:58:13Z","modified":"2024-08-04T04:03:08.603Z","updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30491","description":"A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.","status":"published","published":"2021-11-11T03:58:13Z","modified":"2024-08-04T04:03:08Z","updated_at":"2026-11-03T03:24:13.772922Z"}],"ghsa":[{"id":"GHSA-7fmp-m7xh-f474","title":"A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the...","description":"A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.","status":"published","published":"2022-05-24T19:20:27Z","modified":"2023-01-30T05:03:52Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:46:55.674273Z"}],"nvd":[{"id":"CVE-2021-43573","description":"A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.","status":"published","published":"2021-11-11T04:15:06.47Z","modified":"2026-06-17T04:11:09.61Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}