What’s Vulnerable › Vulnerabilities

CVE-2012-1806

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-04-13 · updated 2026-06-16
• Weakness: CWE-287

Description

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: all versions
• KOYO H0-Ecom100: all versions
• KOYO H2-Ecom: all versions
• KOYO H2-Ecom-F: all versions
• KOYO H2-Ecom100: all versions
• KOYO H4-Ecom: all versions
• KOYO H4-Ecom-F: all versions
• KOYO H4-Ecom100: all versions

References

• http://www.us-cert.gov/control_systems/pdf/ICSA-12-102-02.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74876
• http://www.us-cert.gov/control_systems/pdf/ICSA-12-102-02.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74876

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