{"cve":"CVE-2025-53520","nvd":{"published":"2025-08-08T17:15:29.507","modified":"2026-06-17T09:38:22.353","status":"Deferred","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.","cvss_v4":{"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","score":8.6},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-494"],"references":["https://eg4electronics.com/contact/","https://www.cisa.gov/news-events/ics-advisories/icsa-25-219-07"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:06:45.861874017+00:00"},"epss":{"cve":"CVE-2025-53520","score":0.00224,"percentile":0.13036,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}