Credentials exposure in tinycontrol devices
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-425.
Summary
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).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| tinycontrol | Lan Kontroler v3.5 | before 1.67 | 1.67 | Patch available | CNA |
| tinycontrol | LK3.9 | before 1.75 | 1.75 | Patch available | CNA |
| tinycontrol | LK4 | before 1.38 | 1.38 | Patch available | CNA |
| tinycontrol | tcPDU | before 1.36 | 1.36 | Patch available | CNA |
- Lan Kontroler v3.5 Vendortinycontrol Affected before 1.67 Fixed in 1.67 Patch available CNA
- LK3.9 Vendortinycontrol Affected before 1.75 Fixed in 1.75 Patch available CNA
- LK4 Vendortinycontrol Affected before 1.38 Fixed in 1.38 Patch available CNA
- tcPDU Vendortinycontrol Affected before 1.36 Fixed in 1.36 Patch available CNA
Remediation
- Fix · CNA Lan Kontroler v3.5 (tinycontrol) Fixed in 1.67
- Fix · CNA LK3.9 (tinycontrol) Fixed in 1.75
- Fix · CNA LK4 (tinycontrol) Fixed in 1.38
- Fix · CNA tcPDU (tinycontrol) Fixed in 1.36
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
tinycontrol LK3.9, LK4 and 2 more products 1.36, 1.38 and 2 more versions
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2025-10536 Credentials exposure in tinycontrol devicesPriority MEDIUM 40
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15587
- 2026-10-03 Alias added: GHSA-p5qr-79pr-g4vp
References
More tinycontrol vulnerabilities
- TI-2023-30026 Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure CVSS 4.0CRITICAL 9.9
- TI-2023-30601 Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change CVSS 4.0CRITICAL 9.3
- TI-2025-10536 Credentials exposure in tinycontrol devices CVSS 4.0HIGH 8.7
- TI-2023-06696 Tinycontrol LAN Controller v3 (LK3) Remote DoS CVSS 4.0HIGH 8.7
Sources
- CVE-2025-15587 · CVE Program
- CVE-2025-15587 · NVD
- FIRST EPSS
- GHSA-p5qr-79pr-g4vp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences