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CVE-2023-53739

Tinycontrol LAN Controller v3 LK3 1.58a Unauthenticated Configuration Backup Disclosure

Tinycontrol LAN Controller v3 LK3 version 1.58a contains an unauthenticated vulnerability that allows remote attackers to download configuration backup files containing sensitive credentials. Attackers can retrieve the lk3_settings.bin file and extract base64-encoded user and admin passwords without authentication.

CVSS 4.0 · 9.9 Critical EPSS < 1% KEV · Not listed
Vendors
Aviatrix Tinycontrol
Products
Controller Lan Controller
CVE-2023-7329

Tinycontrol LAN Controller v3 (LK3) Remote DoS

Tinycontrol LAN Controller v3 (LK3) firmware versions up to 1.58a (hardware v3.8) contain a missing authentication vulnerability in the stm.cgi endpoint. A remote, unauthenticated attacker can send crafted requests to forcibly reboot the device or restore factory settings, leading to a denial of service and configuration loss.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Cisco Tinycontrol
Products
Wireless Lan Controller Software Firmware Lan Controller
CVE-2025-15587

Credentials exposure in tinycontrol devices

Tinycontrol devices such as tcPDU and LAN Controllers LK3.5, LK3.9 and LK4 allow a low privileged user to read an administrator's password by directly accessing a specific resource inaccessible via a graphical interface. This issue has been fixed in firmware versions: 1.36 (for tcPDU), 1.67 (for LK3.5 - hardware versions: 3.5, 3.6, 3.7 and 3.8), 1.75 (for LK3.9 - hardware version 3.9) and 1.38 (for LK4 - hardware version 4.0).

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Tinycontrol
Products
Lan Controller Lk3.9 Lk4 and 1 more
CVE-2025-11500

Credentials exposure in tinycontrol devices

Tinycontrol devices such as tcPDU and LAN Controllers LK3.5, LK3.9 and LK4 have two separate authentication mechanisms - one solely for interface management and one for protecting all other server resources. When the latter is turned off (which is a default setting), an unauthenticated attacker on the local network can obtain usernames and encoded passwords for interface management portal by inspecting the HTTP response of the server when visiting the login page, which contains a JSON file with these details. Both normal and admin users credentials are exposed.  This issue has been fixed in firmware versions: 1.36 (for tcPDU), 1.67 (for LK3.5 - hardware versions: 3.5, 3.6, 3.7 and 3.8), 1.75 (for LK3.9 - hardware version 3.9) and 1.38 (for LK4 - hardware version 4.0).

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Tinycontrol
Products
Lan Controller Lk3.9 Lk4 and 1 more
CVE-2023-54327

Tinycontrol LAN Controller 1.58a Authentication Bypass via Admin Password Change

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.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Cisco Tinycontrol
Products
Wireless Lan Controller Software Firmware Lan Controller Lan Controller Firmware