CVE-2025-53520— EG4 Electronics EG4 Inverters Download of Code Without Integrity Check
Quick assessment
Affected
EG4 Electronics EG4 12kPV
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
EG4 Electronics EG4 Inverters是美国EG4 Electronics公司的一系列混合逆变器。 EG4 Electronics EG4 Inverters存在安全漏洞，该漏洞源于固件更新未进行完整性检查，可能导致固件篡改。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1140 · Deobfuscate/Decode Files or Information T1195 · Supply Chain Compromise
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I. Basic Information for CVE-2025-53520
Vulnerability Information
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Vulnerability Title
EG4 Electronics EG4 Inverters Download of Code Without Integrity Check
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
Source: CVE Program / CVE List V5
Vulnerability Title
EG4 Electronics EG4 Inverters 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EG4 Electronics EG4 Inverters是美国EG4 Electronics公司的一系列混合逆变器。 EG4 Electronics EG4 Inverters存在安全漏洞，该漏洞源于固件更新未进行完整性检查，可能导致固件篡改。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| EG4 Electronics | EG4 12kPV | all versions | - |
|
| EG4 Electronics | EG4 18kPV | all versions | - |
|
| EG4 Electronics | EG4 Flex 21 | all versions | - |
|
| EG4 Electronics | EG4 Flex 18 | all versions | - |
|
| EG4 Electronics | EG4 6000XP | all versions | - |
|
| EG4 Electronics | EG4 12000XP | all versions | - |
|
| EG4 Electronics | EG4 GridBoss | all versions | - |
|
II. Public POCs for CVE-2025-53520
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2025-53520 (1)
Same Patch Batch · EG4 Electronics · 2025-08-08 · 4 CVEs total
| CVE-2025-46414 | 8.1 HIGH | EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts |
| CVE-2025-52586 | 6.9 MEDIUM | EG4 Electronics EG4 Inverters Cleartext Transmission of Sensitive Information |
| CVE-2025-47872 | 5.8 MEDIUM | EG4 Electronics EG4 Inverters Observable Discrepancy |
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V. Comments for CVE-2025-53520
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