CVE-2012-1806: Koyo h0-Ecom

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

The ECOM Ethernet module in Koyo H0-ECOM, H0-ECOM100, H2-ECOM, H2-ECOM-F, H2-ECOM100, H4-ECOM, H4-ECOM-F, and H4-ECOM100 supports a maximum password length of 8 bytes, which makes it easier for remote attackers to obtain access via a brute-force attack.

Affected products

• Koyo h0-Ecom: any version
• Koyo h0-ECOM100: any version
• Koyo h2-Ecom: any version
• Koyo h2-Ecom-F: any version
• Koyo h2-ECOM100: any version
• Koyo h4-Ecom: any version
• Koyo h4-Ecom-F: any version
• Koyo h4-ECOM100: any version

Published 2012-04-13. Last modified 2026-06-16.