CVE-2012-1806

CVE-2012-1806 describes a vulnerability in the ECOM Ethernet module of various Koyo H0, H2, and H4 series programmable logic controllers. The module's password length is limited to 8 bytes, significantly increasing the susceptibility to brute-force attacks. This vulnerability carries a CVSS score of 7.5, indicating high severity, as it allows unauthenticated remote attackers to potentially gain partial confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage regarding this CVE.