CVE:CVE-2021-34581
CNNVD:CNNVD-202108-2775
WAGO是德国万可（WAGO）的一款750-88x系列可编程逻辑控制器。该设备专门为在工业环境下应用而设计的数字运算操作电子系统。
WAGO 750-831/xxx xxx、750-880/xxx xxx、750-881、750-889在FW4至FW15固件版本中的OpenSSL实现存在安全漏洞，攻击者可利用该漏洞在设备上造成拒绝服务DoS
solution:Upgrade wago 750-880/040-000_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-880/025-002_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-880/025-001_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-880/025-000_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-831/000-002_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-889_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-881_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-831_firmware to a higher version than fw15,and avoid the version [fw4,fw15]; Upgrade wago 750-880_firmware to a higher version than fw15,and avoid the version [fw4,fw15]