{"id":"CVE-2021-46082","aliases":["EUVD-2021-32784","GHSA-65q9-fq96-wqpj"],"status":"published","title":"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN...","description":"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01175,"percentile":0.67807,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-401"],"published":"2022-02-18T19:54:13Z","modified":"2026-06-17T04:14:31Z","products":[{"vendor":"moxa","product":"mgate_5101-pbm-mn-t_firmware"},{"vendor":"moxa","product":"mgate_5101-pbm-mn_firmware"},{"vendor":"moxa","product":"mgate_5109-t_firmware"},{"vendor":"moxa","product":"mgate_5109_firmware"},{"vendor":"moxa","product":"tn-5916-wv-ct-t_firmware"},{"vendor":"moxa","product":"tn-5916-wv-t_firmware"}],"references":[{"url":"https://www.moxa.com/en/support/product-support/security-advisory/mgate-5109-5101-protocol-gateways-vulnerability","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerability","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46082"},{"url":"https://github.com/advisories/GHSA-65q9-fq96-wqpj"}],"sources":{"cve":[{"id":"CVE-2021-46082","description":"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.","status":"published","published":"2022-02-18T19:54:13Z","modified":"2024-08-04T05:02:10.179Z","updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-32784","description":"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.","status":"published","published":"2022-02-18T19:54:13Z","modified":"2024-08-04T05:02:10Z","updated_at":"2026-11-03T03:08:24.682864Z"}],"ghsa":[{"id":"GHSA-65q9-fq96-wqpj","title":"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN...","description":"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.","status":"published","published":"2022-02-19T00:01:24Z","modified":"2023-02-03T05:06:10Z","cwes":["CWE-401"],"updated_at":"2026-11-02T14:53:51.237254Z"}],"nvd":[{"id":"CVE-2021-46082","description":"Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.","status":"published","published":"2022-02-18T20:15:11.533Z","modified":"2026-06-17T04:14:31.463Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:07:04.6896Z"}]}}