by Kastro
Paper/Archive/CVE-2025-46414

CVE-2025-46414

EG4 Electronics EG4 12kPV — EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts

EPSS 0.4%CVSS 9.2
critical.is priorityof 100
34
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 32.6.326 × 206.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
EG4 12kPVall versions–CNA
EG4 18kPVall versions–CNA
EG4 Flex 21all versions–CNA
EG4 Flex 18all versions–CNA
EG4 6000XPall versions–CNA
EG4 12000XPall versions–CNA
EG4 GridBossall versions–CNA

Scores by source

icscert (CNA)9.2CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
icscert (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refcisa.gov/news-events/ics-advisories/icsa-25-219-07refeg4electronics.com/contact