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 firmware; tinycontrol: lan controller
References5
- www.exploit-db.com/exploits/51732 ExploitThird Party Advisory
- www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5787.php ExploitThird Party Advisory
- www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5787.php ExploitThird Party Advisory
- www.tinycontrol.pl Product
- www.vulncheck.com/advisories/tinycontrol-lan-controller-a-authe… Third Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
9.3
CRITICAL
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 54 · as of 11 November 2026
- CWE
- CWE-862
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