{"id":"CVE-2025-53520","aliases":["EUVD-2025-23995","GHSA-w46c-9jvj-8r29"],"status":"published","title":"EG4 Electronics EG4 Inverters Download of Code Without Integrity Check","description":"The affected product allows firmware updates to be downloaded from EG4's\n website, transferred via USB dongles, or installed through EG4's \nMonitoring Center (remote, cloud-connected interface) or via a serial \nconnection, and can install these files without integrity checks. The \nTTComp archive format used for the firmware is unencrypted and can be \nunpacked and altered without detection.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00224,"percentile":0.13108,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-494"],"published":"2025-08-08T16:09:02Z","modified":"2026-06-17T09:38:22Z","products":[{"vendor":"eg4 electronics","product":"eg4 12000xp"},{"vendor":"eg4 electronics","product":"eg4 12kpv"},{"vendor":"eg4 electronics","product":"eg4 18kpv"},{"vendor":"eg4 electronics","product":"eg4 6000xp"},{"vendor":"eg4 electronics","product":"eg4 flex 18"},{"vendor":"eg4 electronics","product":"eg4 flex 21"},{"vendor":"eg4 electronics","product":"eg4 gridboss"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-219-07"},{"url":"https://eg4electronics.com/contact/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53520"},{"url":"https://eg4electronics.com/contact"},{"url":"https://github.com/advisories/GHSA-w46c-9jvj-8r29"}],"sources":{"cve":[{"id":"CVE-2025-53520","title":"EG4 Electronics EG4 Inverters Download of Code Without Integrity Check","description":"The affected product allows firmware updates to be downloaded from EG4's\n website, transferred via USB dongles, or installed through EG4's \nMonitoring Center (remote, cloud-connected interface) or via a serial \nconnection, and can install these files without integrity checks. The \nTTComp archive format used for the firmware is unencrypted and can be \nunpacked and altered without detection.","status":"published","published":"2025-08-08T16:09:02.072Z","modified":"2025-08-08T19:12:44.942Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:32:48.853452Z"}],"euvd":[{"id":"EUVD-2025-23995","description":"The affected product allows firmware updates to be downloaded from EG4's\n website, transferred via USB dongles, or installed through EG4's \nMonitoring Center (remote, cloud-connected interface) or via a serial \nconnection, and can install these files without integrity checks. The \nTTComp archive format used for the firmware is unencrypted and can be \nunpacked and altered without detection.","status":"published","published":"2025-08-08T16:09:02Z","modified":"2025-08-08T19:12:44Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T20:31:59.900029Z"}],"ghsa":[{"id":"GHSA-w46c-9jvj-8r29","title":"The affected product allows firmware updates to be downloaded from EG4's\n website, transferred...","description":"The affected product allows firmware updates to be downloaded from EG4's\n website, transferred via USB dongles, or installed through EG4's \nMonitoring Center (remote, cloud-connected interface) or via a serial \nconnection, and can install these files without integrity checks. The \nTTComp archive format used for the firmware is unencrypted and can be \nunpacked and altered without detection.","status":"published","published":"2025-08-08T18:32:22Z","modified":"2025-08-08T18:32:28Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T15:03:12.931908Z"}],"nvd":[{"id":"CVE-2025-53520","description":"The affected product allows firmware updates to be downloaded from EG4's\n website, transferred via USB dongles, or installed through EG4's \nMonitoring Center (remote, cloud-connected interface) or via a serial \nconnection, and can install these files without integrity checks. The \nTTComp archive format used for the firmware is unencrypted and can be \nunpacked and altered without detection.","status":"published","published":"2025-08-08T17:15:29.507Z","modified":"2026-06-17T09:38:22.353Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:11:22.319351Z"}]}}