CVE-2026-41020
High
Description
Eaton easyE4 uses a static nonce during authentication, which could allow an unauthenticated attacker with access to captured authentication traffic to replay a valid authentication exchange and gain unauthorized access to the device.
SeverityHigh
CVSS7.5
Exploit probability—
ProducteasyE4
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-294CWE-294
How to fix
Update
- Eaton easyE42.46 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Eaton easyE4 | v < 2.46 | 2.46 |
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