CVE-2020-8974: Zigor Zgr TPS200 NG Firmware

Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days.

In ZGR TPS200 NG 2.00 firmware version and 1.01 hardware version, the firmware upload process does not perform any type of restriction. This allows an attacker to modify it and re-upload it via web with malicious modifications, rendering the device unusable.

Affected products

• Zigor Zgr TPS200 NG Firmware: version 2.00 only

Published 2022-10-17. Last modified 2026-06-17.