The vulnerability in the embedded microprogramming software of Comcast’s Cisco DPC3939 allows a hacker to gain root access to the Linux application processor and execute arbitrary code.

The vulnerability in the embedded microprogramming software of Comcast’s Cisco DPC3939 router is related to deficiencies in access control for the Linux network processor. Exploiting this vulnerability allows a malicious actor to gain root access to the Linux application processor and execute...