{"id":"CVE-2020-29557","aliases":["EUVD-2020-21920","GHSA-x5v2-fv6f-w5rh"],"status":"published","title":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer...","description":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.","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":"2026-11-09","score":0.55747,"percentile":0.99047,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-120"],"published":"2021-01-29T19:32:51Z","modified":"2026-06-17T03:11:25Z","kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-11-03"},{"source":"kev","since":"2021-11-03"}],"products":[{"vendor":"d-link","product":"dir-825 r1 devices"},{"vendor":"dlink","product":"dir-825_r1_firmware"}],"references":[{"url":"https://www.dlink.ru/ru/download2/5/19/2354/441/","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://shaqed.github.io/dlink/","tags":["x_refsource_MISC","x_transferred","Broken Link","Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-29557","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29557"},{"url":"https://shaqed.github.io/dlink"},{"url":"https://www.dlink.ru/ru/download2/5/19/2354/441"},{"url":"https://github.com/advisories/GHSA-x5v2-fv6f-w5rh"}],"sources":{"cve":[{"id":"CVE-2020-29557","description":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.","status":"published","published":"2021-01-29T19:32:51Z","modified":"2025-10-21T23:35:29.393Z","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":"adp"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21920","description":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.","status":"published","published":"2021-01-29T19:32:51Z","modified":"2025-10-21T23:35:29Z","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"}],"exploited_since":"2021-11-03","updated_at":"2026-11-02T20:31:25.308373Z"}],"ghsa":[{"id":"GHSA-x5v2-fv6f-w5rh","title":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer...","description":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.","status":"published","published":"2022-05-24T17:40:34Z","modified":"2025-10-22T00:33:07Z","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-119","CWE-120"],"updated_at":"2026-11-02T15:04:07.67458Z"}],"kev":[{"id":"CVE-2020-29557","title":"D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability","description":"D-Link DIR-825 R1 devices contain a buffer overflow vulnerability in the web interface that may allow for remote code execution.","cwes":["CWE-119"],"kev":{"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:17.050017Z"}],"nvd":[{"id":"CVE-2020-29557","description":"An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.","status":"published","published":"2021-01-29T20:15:12.933Z","modified":"2026-06-17T03:11:25.717Z","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":"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":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:30.596418Z"}]}}