CVE-2023-54327 CRITICAL

CVE-2023-54327: Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change

Vendor Tinycontrol
Product LAN Controller
Weakness CWE-862 · Missing authorization
Published December 30, 2025
Last update May 14, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 30, 2025 CVE published
May 14, 2026 Record updated