{"id":"CVE-2021-20640","aliases":["EUVD-2021-8058","GHSA-56gf-wcqm-qvfm"],"status":"published","title":"Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative...","description":"Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0057,"percentile":0.47544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-02-12T06:15:44Z","modified":"2026-06-17T03:34:10Z","products":[{"vendor":"logitec corporation","product":"lan-w300n/pgrb"},{"vendor":"logitech","product":"lan-w300n\\/pgrb_firmware"}],"references":[{"url":"https://www.elecom.co.jp/news/security/20210126-01/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN96783542/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://lists.apache.org/thread.html/rc1778b38e74b5b6142414d57623bd55b023a72361f422836782fca3c%40%3Cdev.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20640"},{"url":"https://lists.apache.org/thread.html/rc1778b38e74b5b6142414d57623bd55b023a72361f422836782fca3c@%3Cdev.tomcat.apache.org%3E"},{"url":"https://github.com/advisories/GHSA-56gf-wcqm-qvfm"}],"sources":{"cve":[{"id":"CVE-2021-20640","description":"Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors.","status":"published","published":"2021-02-12T06:15:44Z","modified":"2024-08-03T17:45:45.034Z","updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-8058","description":"Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors.","status":"published","published":"2021-02-12T06:15:44Z","modified":"2024-08-03T17:45:45Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-56gf-wcqm-qvfm","title":"Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative...","description":"Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors.","status":"published","published":"2022-05-24T17:42:03Z","modified":"2023-01-29T05:05:42Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:51.307262Z"}],"nvd":[{"id":"CVE-2021-20640","description":"Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command via unspecified vectors.","status":"published","published":"2021-02-12T07:15:14.81Z","modified":"2026-06-17T03:34:10.167Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.7,"vector":"AV:A/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}