CVE-2023-53739

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.

Scoring

Severity

CRITICAL

CVSS base score

9.9

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

EPSS probability

0.45%

CWE

CWE-260

Published

2025-12-09

Last modified

2026-07-28

Affected products

• Tinycontrol Tinycontrol LAN Controller v
• Tinycontrol Tinycontrol LAN Controller v
• Tinycontrol LK
• Tinycontrol LK

Weakness type

• CWE-260

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