Teltonika RUT9XX routers with firmware before 00.04.233 provide a root terminal on a serial interface without proper access control. This allows attackers with physical access to execute arbitrary commands with root privileges.
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180319-02_Teltonika_Incorrect_Access_Control
http://seclists.org/fulldisclosure/2018/Oct/28
http://packetstormsecurity.com/files/149779/Teltonika-RUT9XX-Missing-Access-Control-To-UART-Root-Terminal.html
Source: Mitre, NVD
Published: 2018-10-15
Updated: 2026-06-17
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 6.8
Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Medium
EPSS: 0.00255