CVE-2012-1805

Buffer overflow in 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 allows remote attackers to execute arbitrary code via long strings in unspecified parameters.

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-2012-1805 is rated High Risk (70.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.56%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize 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-2012-1805

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 7.33% 5.56% -1.77%
2 2026-05-19 9.31% 7.33% -1.98%
3 2026-03-05 — 9.31% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1805

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2012-1805

Affected software / configurations for CVE-2012-1805

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-2012-1805

cvelogic Threat Intelligence