CVE:CVE-2018-16556
CNNVD:CNNVD-201811-489
Siemens SIMATIC S7-400是德国西门子（Siemens）公司的一款用于制造和过程自动化领域的可编程逻辑控制器产品。
Siemens SIMATIC S7-400中存在输入验证错误漏洞，该漏洞源于网络系统或产品未对输入的数据进行正确的验证。以下产品及版本受到影响：Siemens S7-400 6及之前版本(包括F)，S7-400 PN/DP 7所有版本(包括F)，S7-400H 4.5及之前版本，S7-400H 6所有版本，S7-410 8.2.1之前版本。
solution:Upgrade siemens simatic_s7-400_firmware to a higher version than v6.0,and avoid the version (,v6.0]; Upgrade siemens simatic_s7-400_pn/dp_v7_firmware to a higher version than *; Upgrade siemens simatic_s7-400h_firmware to a higher version than v4.5,and avoid the version (,v4.5]; Upgrade siemens simatic_s7-410_firmware to a higher version than 8.2.1,and avoid the version (,8.2.1); Upgrade siemens simatic_s7-400h_v6_firmware to a higher version than *