{"id":"CVE-2026-35075","aliases":["EUVD-2026-34071","GHSA-fhf4-qwrf-f48v"],"status":"published","title":"Hardcoded default Password for Service Account","description":"An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.","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":"2026-11-12","score":0.00466,"percentile":0.40856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1393"],"published":"2026-06-03T10:38:23Z","modified":"2026-07-22T19:10:00Z","products":[{"vendor":"mbs","product":"double-a profibus"},{"vendor":"mbs","product":"double-a x-link"},{"vendor":"mbs","product":"double-x can"},{"vendor":"mbs","product":"double-x dali"},{"vendor":"mbs","product":"double-x knx"},{"vendor":"mbs","product":"double-x lon"},{"vendor":"mbs","product":"double-x m-bus"},{"vendor":"mbs","product":"double-x profinet"},{"vendor":"mbs","product":"double-x x-link"},{"vendor":"mbs","product":"single-a"},{"vendor":"mbs","product":"single-x"},{"vendor":"mbs","product":"triple-x knx+dali"},{"vendor":"mbs","product":"triple-x knx+lon"},{"vendor":"mbs","product":"triple-x knx+m-bus"},{"vendor":"mbs","product":"triple-x profinet+dali"},{"vendor":"mbs","product":"triple-x profinet+knx"},{"vendor":"mbs","product":"triple-x profinet+lon"},{"vendor":"mbs","product":"triple-x profinet+m-bus"},{"vendor":"mbs-solutions","product":"universal_gateway_firmware"}],"references":[{"url":"https://www.certvde.com/en/advisories/VDE-2026-039/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35075"},{"url":"https://www.certvde.com/en/advisories/VDE-2026-039"},{"url":"https://github.com/advisories/GHSA-fhf4-qwrf-f48v"}],"sources":{"cve":[{"id":"CVE-2026-35075","title":"Hardcoded default Password for Service Account","description":"An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.","status":"published","published":"2026-06-03T10:38:23.515Z","modified":"2026-07-03T08:49:03.078Z","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-1393"],"updated_at":"2026-11-02T14:20:05.505362Z"}],"euvd":[{"id":"EUVD-2026-34071","description":"An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.","status":"published","published":"2026-06-03T10:38:23Z","modified":"2026-07-03T08:49:03Z","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":"2026-11-02T18:20:17.020342Z"}],"ghsa":[{"id":"GHSA-fhf4-qwrf-f48v","title":"An unauthenticated remote attacker can recover a default, hard coded password from a firmware...","description":"An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.","status":"published","published":"2026-06-03T15:30:41Z","modified":"2026-06-03T15:30:41Z","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-1393"],"updated_at":"2026-11-02T15:08:30.717444Z"}],"nvd":[{"id":"CVE-2026-35075","description":"An unauthenticated remote attacker can recover a default, hard coded password from a firmware image and thus gain full access to all affected devices.","status":"published","published":"2026-06-03T13:16:19.407Z","modified":"2026-07-22T19:10:00.12Z","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-1393"],"updated_at":"2026-11-02T14:12:22.022466Z"}]}}