CVE-2025-53520 – EG4 Firmware Update Vulnerability – Unchecked Archive Exploitation

CVE ID : CVE-2025-53520

Published : Aug. 8, 2025, 5:15 p.m. | 15 minutes ago

Description : The affected product allows firmware updates to be downloaded from EG4’s
website, transferred via USB dongles, or installed through EG4’s
Monitoring Center (remote, cloud-connected interface) or via a serial
connection, and can install these files without integrity checks. The
TTComp archive format used for the firmware is unencrypted and can be
unpacked and altered without detection.

Severity: 8.8 | HIGH

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