CVE-2012-1806

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.

Published: 2012-04-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-1806 is rated Moderate Risk (59.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.07%). EPSS rose +1.66% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-1806

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.41% 2.07% +1.66%
2 2025-03-17 0.53% 0.41% -0.13%
3 2023-03-07 — 0.53% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1806

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2012-1806

Affected software / configurations for CVE-2012-1806

Vendor Product Version Raw CPE
koyo h0-ecom — cpe:2.3:a:koyo:h0-ecom:*:*:*:*:*:*:*:*
koyo h0-ecom100 — cpe:2.3:a:koyo:h0-ecom100:*:*:*:*:*:*:*:*
koyo h2-ecom — cpe:2.3:a:koyo:h2-ecom:*:*:*:*:*:*:*:*
koyo h2-ecom-f — cpe:2.3:a:koyo:h2-ecom-f:*:*:*:*:*:*:*:*
koyo h2-ecom100 — cpe:2.3:a:koyo:h2-ecom100:*:*:*:*:*:*:*:*
koyo h4-ecom — cpe:2.3:a:koyo:h4-ecom:*:*:*:*:*:*:*:*
koyo h4-ecom-f — cpe:2.3:a:koyo:h4-ecom-f:*:*:*:*:*:*:*:*
koyo h4-ecom100 — cpe:2.3:a:koyo:h4-ecom100:*:*:*:*:*:*:*:*

References for CVE-2012-1806

cvelogic Threat Intelligence