CVE-2023-54327 - CVE House
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Status published Critical CVE-2023-54327

Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change

Vulnerability Description

Tinycontrol LAN Controller 1.58a contains an authentication bypass vulnerability that allows unauthenticated attackers to change admin passwords through a crafted API request. Attackers can exploit the /stm.cgi endpoint with a specially crafted authentication parameter to disable access controls and modify administrative credentials.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • LiquidWorm as Gjoko Krstic of Zero Science Lab

Affected Vendor

Tinycontrol

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Affected Software

LAN Controller
Vulnerable Versions:
HW 3.8, Unknown

Timeline

Official Publish: December 30th, 2025
Last Modified: May 14th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)