{"id":"CVE-2020-21406","aliases":["EUVD-2020-14178","GHSA-vjp2-9hqr-v334"],"status":"published","title":"An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause...","description":"An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause a denial of service via the switchNextDisplayInterface 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":"2026-11-10","score":0.00946,"percentile":0.61426,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-07-20T18:46:56Z","modified":"2026-06-17T03:03:40Z","products":[{"vendor":"rk_max_smart_tv_box_project","product":"rk_max_smart_tv_box_firmware"},{"vendor":"v88_smart_tv_box_project","product":"v88_smart_tv_box_firmware"}],"references":[{"url":"https://github.com/helloworldxp/TVBoxBugs/blob/master/RK_MAX_V88_SmartTV_Vulnerability","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21406"},{"url":"https://github.com/advisories/GHSA-vjp2-9hqr-v334"}],"sources":{"cve":[{"id":"CVE-2020-21406","description":"An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause a denial of service via the switchNextDisplayInterface service.","status":"published","published":"2022-07-20T18:46:56Z","modified":"2024-08-04T14:30:33.175Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14178","description":"An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause a denial of service via the switchNextDisplayInterface service.","status":"published","published":"2022-07-20T18:46:56Z","modified":"2024-08-04T14:30:33Z","updated_at":"2026-11-03T03:07:23.734565Z"}],"ghsa":[{"id":"GHSA-vjp2-9hqr-v334","title":"An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause...","description":"An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause a denial of service via the switchNextDisplayInterface service.","status":"published","published":"2022-07-21T00:00:26Z","modified":"2023-01-27T05:06:45Z","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":"2026-11-02T14:42:58.742657Z"}],"nvd":[{"id":"CVE-2020-21406","description":"An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause a denial of service via the switchNextDisplayInterface service.","status":"published","published":"2022-07-20T19:15:08.103Z","modified":"2026-06-17T03:03:40.11Z","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"}],"updated_at":"2026-11-02T14:06:46.951463Z"}]}}