{"id":"CVE-2023-54327","title":"Tinycontrol LAN Controller 1.58a contains an authentication bypass vulnerability that allows unauthenticated attackers to change admin passwords through a crafted API request","summary":"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 …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-862"],"vendor":"tinycontrol","product":"lan_controller_firmware","affected":["lan_controller_firmware <= 1.58a"],"published":"2025-12-30","updated":"2026-09-24","sourceUpdated":"2026-09-24T23:10:00.133","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-54327","references":[{"url":"https://www.exploit-db.com/exploits/51732","label":"disclosure@vulncheck.com"},{"url":"https://www.tinycontrol.pl","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/tinycontrol-lan-controller-a-authentication-bypass-via-admin-password-change","label":"disclosure@vulncheck.com"},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5787.php","label":"disclosure@vulncheck.com"},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5787.php","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00706,"epssPercentile":0.51318,"ingestedAt":"2026-09-24T23:55:20.489Z","slug":"CVE-2023-54327","body":"## Overview\n\nTinycontrol 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.\n\n## Affected\n\n- `lan_controller_firmware <= 1.58a`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}