CVE-2025-53520 - CVE House
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Status published High CVE-2025-53520

EG4 Electronics EG4 Inverters Download of Code Without Integrity Check

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Anthony Rose of BC Security reported these vulnerabilities to CISA.

References

More from EG4 Electronics

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EG4 Electronics EG4 Inverters Cleartext Transmission of Sensitive Information
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CVE-2025-47872
EG4 Electronics EG4 Inverters Observable Discrepancy
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CVE-2025-46414
EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts
Critical 9.2

Affected Vendor

EG4 Electronics

View all reports →

Affected Software

EG4 12kPV, EG4 18kPV, EG4 Flex 21, EG4 Flex 18, EG4 6000XP, EG4 12000XP, EG4 GridBoss
Vulnerable Versions:
all versions

Timeline

Official Publish: August 8th, 2025
Last Modified: August 8th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-494

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.