CVE-2019-11326: Topcon Net-g5 Firmware

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered on Topcon Positioning Net-G5 GNSS Receiver devices with firmware 5.2.2. The web interface of the product is protected by a login. A guest is allowed to login. Once logged in as a guest, an attacker can browse a URL to read the password of the administrative user. The same procedure allows a regular user to gain administrative privileges. The guest login is possible in the default configuration.

Affected products

• Topcon Net-g5 Firmware: version 5.2.2 only

Published 2019-09-20. Last modified 2026-06-17.