Zero-Day Advisory
Fortinet Discovers Asus Routers Remote Code Execution Vulnerability
Summary
Fortinet's FortiGuard Labs has discovered a remote code execution vulnerability in some routers shipped by the company Asus.
Asus manufactures a series of network routers directly competing with Linksys routers from Belkin.
A malicious user can forge a HTTP request to inject operating system commands that can be executed on the device with higher privileges.
Solutions
FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:Asus.Apply.CGI.POST.Remote.Code.Execution
Released Dec 28, 2017
Users should apply the solution provided by Asus.
Timeline
Fortinet reported the vulnerability to Asus on December 23, 2017.
Asus confirmed the vulnerability on December 27, 2017.
Asus patched the vulnerability on January 2, 2018.
Acknowledgement
This vulnerability was discovered by David Maciejak of Fortinet's FortiGuard Labs.