{"id":"CVE-2018-3892","aliases":["EUVD-2018-15678","GHSA-fwpr-995q-w5qh"],"status":"published","title":"An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi...","description":"An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.","severity":{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02655,"percentile":0.85776,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2018-11-02T17:00:00Z","modified":"2026-06-17T01:57:58Z","products":[{"vendor":"unknown","product":"yi technology"},{"vendor":"yi","product":"yi technology"},{"vendor":"yitechnology","product":"yi_home_camera_firmware"}],"references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0567","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3892"},{"url":"https://github.com/advisories/GHSA-fwpr-995q-w5qh"}],"sources":{"cve":[{"id":"CVE-2018-3892","description":"An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.","status":"published","published":"2018-11-02T17:00:00Z","modified":"2024-08-05T04:57:24.125Z","cvss":[{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:05.262903Z"}],"euvd":[{"id":"EUVD-2018-15678","description":"An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.","status":"published","published":"2018-11-02T17:00:00Z","modified":"2024-08-05T04:57:24Z","cvss":[{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T02:40:15.208866Z"}],"ghsa":[{"id":"GHSA-fwpr-995q-w5qh","title":"An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi...","description":"An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.","status":"published","published":"2022-05-13T01:02:01Z","modified":"2023-02-02T03:30:22Z","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-119","CWE-120"],"updated_at":"2026-11-02T14:50:56.67974Z"}],"nvd":[{"id":"CVE-2018-3892","description":"An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.","status":"published","published":"2018-11-02T17:29:00.32Z","modified":"2026-06-17T01:57:58.38Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:04:47.196456Z"}]}}