{"id":"CVE-2020-5644","aliases":["EUVD-2020-26805","GHSA-886m-rmg5-rwvm"],"status":"published","title":"Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT...","description":"Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QMBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QLBDE CoreOS version \"05.65.00.BD\" and earlier, GT1455HS-QTBDE CoreOS version \"05.65.00.BD\" and earlier, and GT1450HS-QMBDE CoreOS version \"05.65.00.BD\" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.","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":"2026-11-11","score":0.04544,"percentile":0.91689,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-11-06T02:06:27Z","modified":"2026-06-17T03:21:44Z","products":[{"vendor":"mitsubishi electric corporation","product":"gt14 model of got 1000 series"},{"vendor":"mitsubishielectric","product":"coreos"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/vu/JVNVU99562395/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5644"},{"url":"https://github.com/advisories/GHSA-886m-rmg5-rwvm"}],"sources":{"cve":[{"id":"CVE-2020-5644","description":"Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QMBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QLBDE CoreOS version \"05.65.00.BD\" and earlier, GT1455HS-QTBDE CoreOS version \"05.65.00.BD\" and earlier, and GT1450HS-QMBDE CoreOS version \"05.65.00.BD\" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.","status":"published","published":"2020-11-06T02:06:27Z","modified":"2024-08-04T08:39:25.895Z","updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26805","description":"Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QMBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QLBDE CoreOS version \"05.65.00.BD\" and earlier, GT1455HS-QTBDE CoreOS version \"05.65.00.BD\" and earlier, and GT1450HS-QMBDE CoreOS version \"05.65.00.BD\" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.","status":"published","published":"2020-11-06T02:06:27Z","modified":"2024-08-04T08:39:25Z","updated_at":"2026-11-03T03:08:06.272693Z"}],"ghsa":[{"id":"GHSA-886m-rmg5-rwvm","title":"Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT...","description":"Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version ’05.65.00.BD’ and earlier, GT1450-QMBDE CoreOS version ’05.65.00.BD’ and earlier, GT1450-QLBDE CoreOS version ’05.65.00.BD’ and earlier, GT1455HS-QTBDE CoreOS version ’05.65.00.BD’ and earlier, and GT1450HS-QMBDE CoreOS version ’05.65.00.BD’ and earlier) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.","status":"published","published":"2022-05-24T22:28:26Z","modified":"2023-01-30T05:05:35Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:47:18.801591Z"}],"nvd":[{"id":"CVE-2020-5644","description":"Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QMBDE CoreOS version \"05.65.00.BD\" and earlier, GT1450-QLBDE CoreOS version \"05.65.00.BD\" and earlier, GT1455HS-QTBDE CoreOS version \"05.65.00.BD\" and earlier, and GT1450HS-QMBDE CoreOS version \"05.65.00.BD\" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.","status":"published","published":"2020-11-06T03:15:17.307Z","modified":"2026-06-17T03:21:44.797Z","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":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:21.80969Z"}]}}