CVE-2020-5769: Teltonika-Networks Gateway TRB245 Firmware

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Insufficient output sanitization in Teltonika firmware TRB2_R_00.02.02 allows a remote, authenticated attacker to conduct persistent cross-site scripting (XSS) attacks by injecting malicious client-side code into the 'URL/ Host / Connection' form in the 'DATA TO SERVER' configuration section.

Affected products

Published 2020-07-17. Last modified 2026-06-17.