CVE-2025-15587
High
Description
Tinycontrol devices such as tcPDU and LAN Controllers LK3.5, LK3.9 and LK4 allow a low privileged user to read an administrator's password by directly accessing a specific resource inaccessible via a graphical interface. This issue has been fixed in firmware versions: 1.36 (for tcPDU), 1.67 (for LK3.5 - hardware versions: 3.5, 3.6, 3.7 and 3.8), 1.75 (for LK3.9 - hardware version 3.9) and 1.38 (for LK4 - hardware version 4.0).
SeverityHigh
CVSS8.6
Exploit probability—
ProductLK3.9
PublishedMar 16, 2026
First seenMar 16, 2026
Weakness typeCWE-425CWE-425
How to fix
Update
- tinycontrol LK3.91.75 or later
- tinycontrol Lan Kontroler v3.51.67 or later
- tinycontrol LK41.38 or later
- tinycontrol tcPDU1.36 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tinycontrol LK3.9 | v < 1.75 | 1.75 |
| tinycontrol Lan Kontroler v3.5 | v < 1.67 | 1.67 |
| tinycontrol LK4 | v < 1.38 | 1.38 |
| tinycontrol tcPDU | v < 1.36 | 1.36 |
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