Auth bypass in Tinycontrol Lan Controller
CVE-2023-54327
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 cr…
Vulnerability class: Broken Access Control
EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tinycontrol Lan Controller — versions HW 3.8, Unknown
- Tinycontrol Lan_controller — versions 3.8
- Tinycontrol Lan_controller_firmware
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Exploit, Third Party Advisory, third-party-advisory)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-54327?
- CVE-2023-54327 is a critical-severity vulnerability in Tinycontrol Lan Controller, classified under Missing Authorization. CVSS score: 9.8/10. Published 2025-12-30.
- How severe is CVE-2023-54327?
- Critical severity. CVSS v3 base score is 9.8 out of 10.