{"id":"CVE-2026-44104","aliases":["EUVD-2026-51039","GHSA-fvfc-m52v-j2p2"],"status":"published","title":"ControllerAgent does not perform validation of firmware","description":"The firmware update process for the basemodule of the charging controller only validates the\nCRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.","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":0.00412,"percentile":0.35881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-07-30T06:52:31Z","modified":"2026-07-30T15:16:33Z","products":[{"vendor":"phoenix contact","product":"charx sec-3000"},{"vendor":"phoenix contact","product":"charx sec-3050"},{"vendor":"phoenix contact","product":"charx sec-3100"},{"vendor":"phoenix contact","product":"charx sec-3150"}],"references":[{"url":"https://www.certvde.com/en/advisories/VDE-2026-008/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44104"},{"url":"https://www.certvde.com/en/advisories/VDE-2026-008"},{"url":"https://github.com/advisories/GHSA-fvfc-m52v-j2p2"}],"sources":{"cve":[{"id":"CVE-2026-44104","title":"ControllerAgent does not perform validation of firmware","description":"The firmware update process for the basemodule of the charging controller only validates the\nCRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.","status":"published","published":"2026-07-30T06:52:31.346Z","modified":"2026-07-30T14:05:46.344Z","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-347"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-51039","description":"The firmware update process for the basemodule of the charging controller only validates the\nCRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.","status":"published","published":"2026-07-30T06:52:31Z","modified":"2026-07-30T14:05:46Z","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":"2026-11-02T18:02:28.93005Z"}],"ghsa":[{"id":"GHSA-fvfc-m52v-j2p2","title":"The firmware update process for the basemodule of the charging controller only validates the...","description":"The firmware update process for the basemodule of the charging controller only validates the\nCRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.","status":"published","published":"2026-07-30T09:31:18Z","modified":"2026-07-30T09:31:24Z","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-347"],"updated_at":"2026-11-02T15:09:56.692541Z"}],"nvd":[{"id":"CVE-2026-44104","description":"The firmware update process for the basemodule of the charging controller only validates the\nCRC32 checksum without cryptographic signature verification. This allows an unauthenticated remote attacker to install a modified firmware, resulting in full system compromise.","status":"published","published":"2026-07-30T07:16:58.76Z","modified":"2026-07-30T15:16:33.297Z","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-347"],"updated_at":"2026-11-02T14:12:33.955581Z"}]}}