CVE-2023-53739 PUBLISHED

Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure

Assigner: VulnCheck
Reserved: 07.12.2025 Published: 09.12.2025 Updated: 10.12.2025

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
CVSS Score: 9.9

Product Status

Vendor Tinycontrol
Product Tinycontrol LAN Controller v
Versions Default: unaffected
  • Version <=1.58a is affected
  • Version HW 3.8 is affected
Vendor Tinycontrol
Product LK
Versions Default: unaffected
  • Version <=1.58a is affected
  • Version HW 3.8 is affected

Credits

  • LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

Problem Types

  • CWE-260: Password in Configuration File CWE