CVE-2025-15587— Credentials exposure in tinycontrol devices
Quick assessment
Affected
tinycontrol Lan Kontroler v3.5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tinycontrol tcPDU等都是波兰Tinycontrol公司的产品。Tinycontrol tcPDU是一款网络分配单元。Tinycontrol LAN Controllers LK3.5是一款环境参数远程监控和控制设备。Tinycontrol LAN Controllers LK3.9是一款环境参数远程监控和控制设备。 Tinycontrol多款产品存在安全漏洞，该漏洞源于低权限用户可直接访问特定资源，可能导致读取管理员密码。以下产品受到影响：Lan Kontroler v3.5、LK3.9、
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access Token
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I. Basic Information for CVE-2025-15587
Vulnerability Information
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Vulnerability Title
Credentials exposure in tinycontrol devices
Source: CVE Program / CVE List V5
Vulnerability 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).
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
直接请求(强制性浏览)
Source: CVE Program / CVE List V5
Vulnerability Title
Tinycontrol多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tinycontrol tcPDU等都是波兰Tinycontrol公司的产品。Tinycontrol tcPDU是一款网络分配单元。Tinycontrol LAN Controllers LK3.5是一款环境参数远程监控和控制设备。Tinycontrol LAN Controllers LK3.9是一款环境参数远程监控和控制设备。 Tinycontrol多款产品存在安全漏洞，该漏洞源于低权限用户可直接访问特定资源，可能导致读取管理员密码。以下产品受到影响：Lan Kontroler v3.5、LK3.9、
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| tinycontrol | Lan Kontroler v3.5 | 0 ~ 1.67 | - |
|
| tinycontrol | LK3.9 | 0 ~ 1.75 | - |
|
| tinycontrol | LK4 | 0 ~ 1.38 | - |
|
| tinycontrol | tcPDU | 0 ~ 1.36 | - |
|
II. Public POCs for CVE-2025-15587
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2025-15587 (1)
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Vulnerabilities in multiple tinycontrol devices | CERT Polska third-party-advisory
Vendor Pages for CVE-2025-15587 (4)
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Downloads | Lan Controller v3.5 | tinycontrol release-notes
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Downloads | LK3.9 | tinycontrol release-notes
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Downloads | tcPDU | tinycontrol release-notes
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Downloads | LK4 - universal IoT controller | tinycontrol release-notes
IV. Related Vulnerabilities
Same weakness: CWE-425
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CVE-2026-10521
Authenticated unintended access to critical program paramete
V. Comments for CVE-2025-15587
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