Router security in 2021

A router is a gateway from the internet to a home or office —  despite being conceived quite the opposite. Routers are forever being hacked and infected, and used to infiltrate local networks. Keeping this gate locked so that no one can stroll right through is no easy task. It is not always clear just how this locking works, especially when it comes to home routers, whose users are by no means all security pros. What’s more, it’s not uncommon for routers to be full of holes.

Since the start of the pandemic, however, router security has received more attention. Many companies introduced remote working for employees, some of whom never returned to the office. If before the pandemic few people worked from home, now their number is significant. As a result, cybercriminals now see home routers as gateways to corporate networks, and companies as potential attack vectors. Proof of the heightened attention in network devices comes from the sharp rise in the number of vulnerabilities found in them in recent years.

Router vulnerabilities

According to cve.mitre.org, the number of vulnerabilities discovered in various routers, from mobile to industrial, has grown over the past decade. However, with the mass shift to remote working, it went off the scale. During 2020 and 2021, more than 500 router vulnerabilities were found.

Number of router vulnerabilities according to cve.mitre.org, 2010–2022 (download)

The nvd.nist.gov website presents different figures, but they too show a significant increase in the number of router vulnerabilities found in 2020 and 2021.

Number of router vulnerabilities according to nvd.nist. ..

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