CVE:CVE-2022-40265
CNNVD:CNNVD-202211-3700
Mitsubishi Electric MELSEC iQ-R series是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。
MELSEC iQ-R Series RJ71EN71 固件版本65及之前版本和MELSEC iQ-R Series R04/08/16/32/120ENCPU固件版本65及之前版本存在安全漏洞，该漏洞源于存在不当输入验证，允许远程未经身份验证的攻击者通过发送特制数据包造成拒绝服务。
solution:Upgrade mitsubishielectric rj71en71_firmware to a higher version than 65,and avoid the version (,65]; Upgrade mitsubishielectric r04encpu_firmware to a higher version than 65,and avoid the version (,65]; Upgrade mitsubishielectric r08encpu_firmware to a higher version than 65,and avoid the version (,65]; Upgrade mitsubishielectric r16encpu_firmware to a higher version than 65,and avoid the version (,65]; Upgrade mitsubishielectric r32encpu_firmware to a higher version than 65,and avoid the version (,65]; Upgrade mitsubishielectric r120encpu_firmware to a higher version than 65,and avoid the version (,65]