{"id":"CVE-2016-4521","aliases":["EUVD-2016-5508","GHSA-r562-xjg8-354h"],"status":"published","title":"Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded...","description":"Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, which allows remote attackers to obtain access via unspecified vectors.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02465,"percentile":0.84586,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2016-05-31T01:00:00Z","modified":"2026-06-17T00:47:42Z","products":[{"vendor":"sixnet","product":"bt-5_series_cellular_router_firmware"},{"vendor":"sixnet","product":"bt-6_series_cellular_router_firmware"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-147-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4521"},{"url":"https://github.com/advisories/GHSA-r562-xjg8-354h"}],"sources":{"cve":[{"id":"CVE-2016-4521","description":"Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, which allows remote attackers to obtain access via unspecified vectors.","status":"published","published":"2016-05-31T01:00:00Z","modified":"2024-08-06T00:32:25.984Z","updated_at":"2026-11-02T14:33:34.815789Z"}],"euvd":[{"id":"EUVD-2016-5508","description":"Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, which allows remote attackers to obtain access via unspecified vectors.","status":"published","published":"2016-05-31T01:00:00Z","modified":"2024-08-06T00:32:25Z","updated_at":"2026-11-03T02:22:46.329763Z"}],"ghsa":[{"id":"GHSA-r562-xjg8-354h","title":"Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded...","description":"Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, which allows remote attackers to obtain access via unspecified vectors.","status":"published","published":"2022-05-17T03:54:48Z","modified":"2023-01-28T05:00:44Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:43:23.885547Z"}],"nvd":[{"id":"CVE-2016-4521","description":"Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, which allows remote attackers to obtain access via unspecified vectors.","status":"published","published":"2016-05-31T01:59:11.993Z","modified":"2026-06-17T00:47:42.543Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:25.366449Z"}]}}