CVE-2025-46414

EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts

Published Aug 8, 2025 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

CVE-2025-46414 was fixed on April 6, 2025. No user action was or is necessary. For more information, contact EG4. https://eg4electronics.com/contact/ https://eg4electronics.com/contact/

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-23992 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.
History
Type Values Removed Values Added
First Time appeared Eg4 Electronics
Eg4 Electronics eg4 12000xp
Eg4 Electronics eg4 12kpv
Eg4 Electronics eg4 18kpv
Eg4 Electronics eg4 6000xp
Eg4 Electronics eg4 Flex 18
Eg4 Electronics eg4 Flex 21
Eg4 Electronics eg4 Gridboss
Vendors & Products Eg4 Electronics
Eg4 Electronics eg4 12000xp
Eg4 Electronics eg4 12kpv
Eg4 Electronics eg4 18kpv
Eg4 Electronics eg4 6000xp
Eg4 Electronics eg4 Flex 18
Eg4 Electronics eg4 Flex 21
Eg4 Electronics eg4 Gridboss
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts
Weaknesses CWE-307
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Aug 8, 2025, 7:13 PM
Reserved
Jul 30, 2025, 7:03 PM
Status
Deferred
Published
Aug 8, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:26 AM