Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure
Priority HIGH 82CWE-260Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Tinycontrol LAN Controller v3 LK3 version 1.58a contains an unauthenticated vulnerability that allows remote attackers to download configuration backup files containing sensitive credentials. Attackers can retrieve the lk3_settings.bin file and extract base64-encoded user and admin passwords without authentication.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00632 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 | Tinycontrol LAN Controller v | up to 1.58a; HW 3.8 | — | No fix listed | CNA |
| tinycontrol | LK | up to 1.58a; HW 3.8 | — | No fix listed | CNA |
- Tinycontrol LAN Controller v Vendortinycontrol Affected up to 1.58a; HW 3.8 Fixed in — No fix listed CNA
- LK Vendortinycontrol Affected up to 1.58a; HW 3.8 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53739
- 2026-10-03 Alias added: GHSA-vqf5-jvfh-997c
- 2026-10-27 EPSS moved to the 50th–90th percentile
References
More tinycontrol vulnerabilities
- 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
- TI-2025-14225 Credentials exposure in tinycontrol devices CVSS 4.0HIGH 8.6
Sources
- CVE-2023-53739 · CVE Program
- CVE-2023-53739 · NVD
- FIRST EPSS
- GHSA-vqf5-jvfh-997c · 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