CVE-2022-1666: Secheron Sepcos Control And Protection Relay Firmware

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

The default password for the web application’s root user (the vendor’s private account) was weak and the MD5 hash was used to crack the password using a widely available open-source tool.

Affected products

• Secheron Sepcos Control And Protection Relay Firmware: from 1.23.0, before 1.23.21 (fixed in 1.23.21); from 1.24.0, before 1.24.8 (fixed in 1.24.8); from 1.25.0, before 1.25.3 (fixed in 1.25.3)

Published 2022-06-24. Last modified 2026-06-17.