CVE-2022-45720: ip-com-15 - HackMD

# ip-com-15 vendor:IP-COM product:M50 version:V15.11.0.33(10768) type:Buffer Overflow author:Yifeng Li, Wolin Zhuang; ## Vulnerability description We found an buffer overflow vulnerability in IP-COM Technology IP-COM’s M50 routers with firmware which was released recently, allows control “ip” , “mac” or “remark” to attack it. ## Buffer Overflow vulnerability In formIPMacBindModify function, the parameter “ip” , “mac” and “remark” is directly sprintf, placed on the stack, which overrides the return address of the function, causing buffer overflow.  ## PoC ### Buffer Overflow We set the value of “ip” , “mac” or “remark” as aaaaaaaaaaaaaaaaaaaaaaaaa…… and the router will cause buffer overflow.