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).
References (5)
Core 5
Core References
Third Party Advisory third-party-advisory
https://cert.pl/en/posts/2026/03/CVE-2025-11500/
Release Notes release-notes
https://tinycontrol.pl/en/archives/lan-controller-35/downloads/#firmware
Release Notes release-notes
https://tinycontrol.pl/en/lk39/downloads/#firmware
Release Notes release-notes
https://tinycontrol.pl/en/lk4/downloads/#firmware
Release Notes release-notes
https://tinycontrol.pl/en/tcpdu/downloads/#firmware
Scores
CVSS v4
8.6
EPSS
0.0018
EPSS Percentile
7.2%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-425
Status
published
Products (4)
tinycontrol/Lan Kontroler v3.5
< 1.67
tinycontrol/LK3.9
< 1.75
tinycontrol/LK4
< 1.38
tinycontrol/tcPDU
< 1.36
Published
Mar 16, 2026
Tracked Since
Mar 16, 2026