CVE-2023-53739 Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure
Remote attackers can download configuration backups to extract base64-encoded credentials, leading to unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-53739?
CVE-2023-53739 is a critical vulnerability in Tinycontrol LK, published on 9 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-260
Which versions are affected by CVE-2023-53739?
How do I fix CVE-2023-53739?
No fix has been published for CVE-2023-53739 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-53739 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53739 exists.
Sources
Also known as GHSA-vqf5-jvfh-997c.