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Description

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.

PUBLISHED Reserved 2025-12-07 | Published 2025-12-09 | Updated 2025-12-10 | Assigner VulnCheck




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

Problem types

CWE-260: Password in Configuration File

Product status

Default status
unaffected

<=1.58a
affected

HW 3.8
affected

Default status
unaffected

<=1.58a
affected

HW 3.8
affected

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab finder

References

www.exploit-db.com/exploits/51731 (ExploitDB-51731) exploit

www.tinycontrol.pl (Tinycontrol Product Homepage) product

www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5786.php (Zero Science Lab Advisory ID) vendor-advisory

www.vulncheck.com/...ticated-configuration-backup-disclosure (VulnCheck Advisory: Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure) third-party-advisory

cve.org (CVE-2023-53739)

nvd.nist.gov (CVE-2023-53739)

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