CVE-2023-54327
Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | tinycontrol |
| Product | lan controller |
| Published | Dec 30, 2025 |
| Last Updated | Mar 5, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Tinycontrol / LAN Controller
HW 3.8 Unknown ≤ 1.58a
References
exploit-db.com: https://www.exploit-db.com/exploits/51732 tinycontrol.pl: https://www.tinycontrol.pl zeroscience.mk: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5787.php vulncheck.com: https://www.vulncheck.com/advisories/tinycontrol-lan-controller-a-authentication-bypass-via-admin-password-change
Credits
LiquidWorm as Gjoko Krstic of Zero Science Lab