Linksys published a technical article on its website with instructions on how to install the latest firmware version and disable remote management on affected devices. This solution might not be practical for router administrators who need to manage devices deployed in remote locations, but so far it appears to be the only official mitigation strategy offered by the vendor.
"Linksys will be working on the affected products with a firmware fix that is planned to be posted on our website in the coming weeks," Sohl said.
The public release of a proof-of-concept exploit exposes the vulnerable routers to potential opportunistic and targeted attacks in addition to TheMoon malware threat. Cybercriminals have recently started compromising home routers to launch attacks against online banking users, suggesting the risk associated with serious vulnerabilities in routers is not just theoretical.