CVE-2026-6284
Critical
Description
An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible.
SeverityCritical
CVSS9.1
Exploit probability—
ProductCscape
PublishedApr 17, 2026
First seenApr 17, 2026
Weakness typeCWE-521CWE-521
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Horner Automation Cscape | 10.0 | — |
| Horner Automation XL7 PLC | 15.60 | — |
| Horner Automation XL4 PLC | 16.32.0 | — |
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