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CVE-2025-15587

Credentials exposure in tinycontrol devices

HIGH
8.6
CVSS Score
Published: March 16, 2026 at 09:26 AM UTC
Updated: June 17, 2026 at 08:38 AM UTC
2 products affected across 1 vendorLAN ControllertcPDU

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Severity
HIGH8.6
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

LAN Controller· Tinycontrol
60%
v < 1.38v < 1.67v < 1.75
Affected range stops below 1.38, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.67, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.75, so it looks safe — our inference, not a vendor statement
tcPDU· Tinycontrol
60%
v < 1.36
Affected range stops below 1.36, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Third Party Advisory
Source: cverecord
https://cert.pl/en/posts/2026/03/CVE-2025-11500/
Release Notes
Source: cverecord
https://tinycontrol.pl/en/archives/lan-controller-35/downloads/#firmware
Release Notes
Source: cverecord
https://tinycontrol.pl/en/lk39/downloads/#firmware
Release Notes
Source: cverecord
https://tinycontrol.pl/en/lk4/downloads/#firmware
Release Notes
Source: cverecord
https://tinycontrol.pl/en/tcpdu/downloads/#firmware

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHCERT-PL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-425

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