EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts
Priority MEDIUM 40CWE-307Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00385 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| EG4 Electronics | EG4 12kPV | all versions | — | No fix listed | CNA |
| EG4 Electronics | EG4 18kPV | all versions | — | No fix listed | CNA |
| EG4 Electronics | EG4 Flex 21 | all versions | — | No fix listed | CNA |
| EG4 Electronics | EG4 Flex 18 | all versions | — | No fix listed | CNA |
| EG4 Electronics | EG4 6000XP | all versions | — | No fix listed | CNA |
| EG4 Electronics | EG4 12000XP | all versions | — | No fix listed | CNA |
| EG4 Electronics | EG4 GridBoss | all versions | — | No fix listed | CNA |
- EG4 12kPV VendorEG4 Electronics Affected all versions Fixed in — No fix listed CNA
- EG4 18kPV VendorEG4 Electronics Affected all versions Fixed in — No fix listed CNA
- EG4 Flex 21 VendorEG4 Electronics Affected all versions Fixed in — No fix listed CNA
- EG4 Flex 18 VendorEG4 Electronics Affected all versions Fixed in — No fix listed CNA
- EG4 6000XP VendorEG4 Electronics Affected all versions Fixed in — No fix listed CNA
- EG4 12000XP VendorEG4 Electronics Affected all versions Fixed in — No fix listed CNA
- EG4 GridBoss VendorEG4 Electronics Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46414
- 2026-10-03 Alias added: GHSA-xh3j-m8p6-2hjh
References
More EG4 Electronics vulnerabilities
- TI-2025-33464 EG4 Electronics EG4 Inverters Download of Code Without Integrity Check CVSS 4.0HIGH 8.6
- TI-2025-32681 EG4 Electronics EG4 Inverters Cleartext Transmission of Sensitive Information CVSS 4.0HIGH 7.5
- TI-2025-30296 EG4 Electronics EG4 Inverters Observable Discrepancy CVSS 4.0MEDIUM 6.9
Sources
- CVE-2025-46414 · CVE Program
- CVE-2025-46414 · NVD
- FIRST EPSS
- GHSA-xh3j-m8p6-2hjh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences