CVE-2025-47872— EG4 Electronics EG4 Inverters Observable Discrepancy
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，该漏洞源于产品注册端点服务器对不同序列号状态响应差异，可能导致信息泄露。
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory Discovery
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I. Basic Information for CVE-2025-47872
Vulnerability Information
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Vulnerability Title
EG4 Electronics EG4 Inverters Observable Discrepancy
Source: CVE Program / CVE List V5
Vulnerability Description
The public-facing product registration endpoint server responds
differently depending on whether the S/N is valid and unregistered,
valid but already registered, or does not exist in the database.
Combined with the fact that serial numbers are sequentially assigned,
this allows an attacker to gain information on the product registration
status of different S/Ns.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
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，该漏洞源于产品注册端点服务器对不同序列号状态响应差异，可能导致信息泄露。
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-2025-47872
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2025-47872 (1)
Same Patch Batch · EG4 Electronics · 2025-08-08 · 4 CVEs total
| CVE-2025-53520 | 8.8 HIGH | EG4 Electronics EG4 Inverters Download of Code Without Integrity Check |
| 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 |
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V. Comments for CVE-2025-47872
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