Vulnerability · Published Dec 30, 2025 · Assigned by VulnCheck
CVE-2023-54327Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change
Critical 9.8
In plain English
A critical-severity missing authorization in LAN Controller from Tinycontrol. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 46.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tinycontrol | LAN Controller | HW 3.8Unknown – through 1.58a |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-51732 exploit
- Tinycontrol Official Product Homepage product
- Zero Science Lab Disclosure (ZSL-2023-5787) third-party-advisory
- VulnCheck Advisory: Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change third-party-advisory