{"id":"CVE-2021-21730","aliases":["EUVD-2021-8902","GHSA-9xvw-8r73-2f95"],"status":"published","title":"A ZTE product is impacted by improper access control vulnerability. The attacker could exploit...","description":"A ZTE product is impacted by improper access control vulnerability. The attacker could exploit this vulnerability to access CLI by brute force attacks.This affects: ZXHN H168N V3.5.0_TY.T6","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":"2026-11-10","score":0.01038,"percentile":0.64227,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2021-04-13T15:08:08Z","modified":"2026-06-17T03:36:03Z","products":[{"vendor":"zte","product":"zxhn h168n"},{"vendor":"zte","product":"zxhn_h168n_firmware"}],"references":[{"url":"https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014864","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21730"},{"url":"https://github.com/advisories/GHSA-9xvw-8r73-2f95"}],"sources":{"cve":[{"id":"CVE-2021-21730","description":"A ZTE product is impacted by improper access control vulnerability. The attacker could exploit this vulnerability to access CLI by brute force attacks.This affects: ZXHN H168N V3.5.0_TY.T6","status":"published","published":"2021-04-13T15:08:08Z","modified":"2024-08-03T18:23:29.498Z","updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8902","description":"A ZTE product is impacted by improper access control vulnerability. The attacker could exploit this vulnerability to access CLI by brute force attacks.This affects: ZXHN H168N V3.5.0_TY.T6","status":"published","published":"2021-04-13T15:08:08Z","modified":"2024-08-03T18:23:29Z","updated_at":"2026-11-03T03:25:05.131984Z"}],"ghsa":[{"id":"GHSA-9xvw-8r73-2f95","title":"A ZTE product is impacted by improper access control vulnerability. The attacker could exploit...","description":"A ZTE product is impacted by improper access control vulnerability. The attacker could exploit this vulnerability to access CLI by brute force attacks.This affects: ZXHN H168N V3.5.0_TY.T6","status":"published","published":"2022-05-24T17:47:14Z","modified":"2023-01-27T05:03:04Z","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"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:09.625504Z"}],"nvd":[{"id":"CVE-2021-21730","description":"A ZTE product is impacted by improper access control vulnerability. The attacker could exploit this vulnerability to access CLI by brute force attacks.This affects: ZXHN H168N V3.5.0_TY.T6","status":"published","published":"2021-04-13T16:15:12.45Z","modified":"2026-06-17T03:36:03.243Z","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":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}