What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-30 · updated 2026-09-24
• Weakness: CWE-862

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

• Tinycontrol LAN Controller: through 1.58a

References

• https://www.exploit-db.com/exploits/51732
• https://www.tinycontrol.pl
• https://www.vulncheck.com/advisories/tinycontrol-lan-controller-a-authentication-bypass-via-admin-password-change
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5787.php
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5787.php

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