CVE-2020-8974 - CVE House
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Status published Critical CVE-2020-8974

ZGR TPS200 NG Missing Reference to Active Allocated Resource

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by the Industrial Cybersecurity team of S21sec, special mention to Aar�n Flecha Men�ndez.

Affected Vendor

Affected Software

ZGR TPS200 NG
Vulnerable Versions:
2.00 firmware version 2.00, 1.01 hardware version 1.01

Timeline

Official Publish: October 17th, 2022
Last Modified: May 13th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Weaknesses (CWE)