CVE-2025-15587
Credentials exposure in tinycontrol devices
- State
- Published
- Severity
- 8.6 High
- Published
- Mar 16, 2026
- Updated
- Mar 16, 2026
- Reserved
- Feb 20, 2026
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).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CERT-PL |
Weaknesses
- CWE-425 Direct Request ('Forced Browsing')
Affected Products
| Product | Versions |
|---|---|
Lan Kontroler v3.5tinycontrol |
|
LK3.9tinycontrol |
|
LK4tinycontrol |
|
tcPDUtinycontrol |
|
References
- https://cert.pl/en/posts/2026/03/CVE-2025-11500/third-party-advisory
- https://tinycontrol.pl/en/archives/lan-controller-35/downloads/#firmwarerelease-notes
- https://tinycontrol.pl/en/lk39/downloads/#firmwarerelease-notes
- https://tinycontrol.pl/en/lk4/downloads/#firmwarerelease-notes
- https://tinycontrol.pl/en/tcpdu/downloads/#firmwarerelease-notes
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