CVE-2022-35122: Ecowitt GW1100 Firmware

Critical severity, CVSS 9.1. EPSS: 1.1% chance of exploitation in the next 30 days.

An access control issue in Ecowitt GW1100 Series Weather Stations <=GW1100B_v2.1.5 allows unauthenticated attackers to access sensitive information including device and local WiFi passwords.

Affected products

• Ecowitt GW1100 Firmware: up to and including 2.1.5

Published 2022-08-17. Last modified 2026-06-17.