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CVE-2025-46414— EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts

CVSS 8.1 · High EPSS 0.08% · P23
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I. Basic Information for CVE-2025-46414

Vulnerability Information
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Vulnerability Title
EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts
Source: NVD (National Vulnerability Database)
Vulnerability Description
The affected product does not limit the number of attempts for inputting the correct PIN for a registered product, which may allow an attacker to gain unauthorized access using brute-force methods if they possess a valid device serial number. The API provides clear feedback when the correct PIN is entered. This vulnerability was patched in a server-side update on April 6, 2025.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
过多认证尝试的限制不恰当
Source: NVD (National Vulnerability Database)
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，该漏洞源于未限制PIN尝试次数导致暴力破解攻击。
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

VendorProductAffected VersionsCPESubscribe
EG4 ElectronicsEG4 12kPV all versions -
EG4 ElectronicsEG4 18kPV all versions -
EG4 ElectronicsEG4 Flex 21 all versions -
EG4 ElectronicsEG4 Flex 18 all versions -
EG4 ElectronicsEG4 6000XP all versions -
EG4 ElectronicsEG4 12000XP all versions -
EG4 ElectronicsEG4 GridBoss all versions -

II. Public POCs for CVE-2025-46414

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III. Intelligence Information for CVE-2025-46414

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Same Patch Batch · EG4 Electronics · 2025-08-08 · 4 CVEs total

CVE-2025-535208.8 HIGHEG4 Electronics EG4 Inverters Download of Code Without Integrity Check
CVE-2025-525866.9 MEDIUMEG4 Electronics EG4 Inverters Cleartext Transmission of Sensitive Information
CVE-2025-478725.8 MEDIUMEG4 Electronics EG4 Inverters Observable Discrepancy

IV. Related Vulnerabilities

Same product: EG4 12kPV
Same vendor: EG4 Electronics
Same weakness: CWE-307

V. Comments for CVE-2025-46414

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