Zero-Day Advisory

Fortinet Discovers Linksys SMART Router Command Injection Vulnerability II

Summary

Fortinet's FortiGuard Labs has discovered a command injection vulnerability in Linksys EA7500 Smart router.

The Linksys MAX-STREAM AC1900 EA7500 is one of the Linksys Smart router line up introduced in 2015. The router features MU-MIMO, the latest advance toward uninterrupted, simultaneous WiFi connections., it also features cloud management capability.

Linksys EA7500 router is vulnerable to command injection vulnerability. Authenticated users can take over the device remotely.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Linksys.EA7500.Remote.Command.Execution
Released Oct 08, 2018

Users should apply the solution provided by Linksys.

Timeline

Fortinet reported the vulnerability to Linksys on June 8, 2018.

Linksys confirmed the vulnerability on June 20, 2018.

Linksys published advisory about the patch on October 8, 2018.

Acknowledgement

This vulnerability was discovered by Tony Loi of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.