{"id":"CVE-2026-69658","aliases":["EUVD-2026-67290","GHSA-vcvc-jqq8-cgj4"],"status":"published","title":"Ebyte NA111-M Cleartext Transmission of Sensitive Information","description":"MQTT credentials and control traffic are transmitted in cleartext, \nexposing sensitive information to network-level attackers. This may \nenable unauthorized device impersonation and disruption of messaging \nfunctions.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00344,"percentile":0.28299,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2026-08-27T21:37:26Z","modified":"2026-10-05T19:25:22Z","products":[{"vendor":"ebyte","product":"ebyte na111-m firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69658"},{"url":"https://github.com/advisories/GHSA-vcvc-jqq8-cgj4"}],"sources":{"cve":[{"id":"CVE-2026-69658","title":"Ebyte NA111-M Cleartext Transmission of Sensitive Information","description":"MQTT credentials and control traffic are transmitted in cleartext, \nexposing sensitive information to network-level attackers. This may \nenable unauthorized device impersonation and disruption of messaging \nfunctions.","status":"published","published":"2026-08-27T21:37:26.881Z","modified":"2026-10-05T19:25:22.529Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"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":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T13:50:16.178634Z"}],"euvd":[{"id":"EUVD-2026-67290","description":"MQTT credentials and control traffic are transmitted in cleartext, \nexposing sensitive information to network-level attackers. This may \nenable unauthorized device impersonation and disruption of messaging \nfunctions.","status":"published","published":"2026-08-27T21:37:26Z","modified":"2026-10-05T19:25:22Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T17:27:39.05741Z"}],"ghsa":[{"id":"GHSA-vcvc-jqq8-cgj4","title":"MQTT credentials and control traffic are transmitted in cleartext, \nexposing sensitive...","description":"MQTT credentials and control traffic are transmitted in cleartext, \nexposing sensitive information to network-level attackers. This may \nenable unauthorized device impersonation and disruption of messaging \nfunctions.","status":"published","published":"2026-08-28T00:32:03Z","modified":"2026-08-28T00:32:04Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"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-319"],"updated_at":"2026-11-02T15:11:05.645531Z"}],"nvd":[{"id":"CVE-2026-69658","description":"MQTT credentials and control traffic are transmitted in cleartext, \nexposing sensitive information to network-level attackers. This may \nenable unauthorized device impersonation and disruption of messaging \nfunctions.","status":"published","published":"2026-08-28T00:18:08.65Z","modified":"2026-08-31T19:18:40.503Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"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"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:12:42.035353Z"}]}}