9.9
CRITICAL CVSS 4.0
CVE-2023-53739
Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure
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.

INFO

Published Date :

Dec. 9, 2025, 9:15 p.m.

Last Modified :

Dec. 9, 2025, 9:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2023-53739 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 CRITICAL 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 CRITICAL [email protected]
Solution
Update the device to a patched version to prevent unauthorized access to configuration files.
  • Update Tinycontrol LAN Controller to a secure version.
  • Restrict access to configuration backup files.
  • Review and rotate credentials if compromised.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53739 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53739 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53739 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-53739 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Dec. 09, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-260
    Added Reference https://www.exploit-db.com/exploits/51731
    Added Reference https://www.tinycontrol.pl
    Added Reference https://www.vulncheck.com/advisories/tinycontrol-lan-controller-v-lk-a-unauthenticated-configuration-backup-disclosure
    Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5786.php
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.9
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability