TP-LINK Cloud Cameras including products NC200, NC210, NC220, NC230, NC250, NC260, and NC450 suffer from a command injection vulnerability. The issue is located in the swSystemSetProductAliasCheck method of the ipcamera binary (Called when setting a new alias for the device via /setsysname.fcgi), where despite a check on the name length, no other checks are in place in order to prevent shell metacharacters from being introduced. The system name would then be used in swBonjourStartHTTP as part of a shell command where arbitrary commands could be injected and executed as root.
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