The vulnerability of the /etc/passwd file in Cisco Small Business router microprogramming devices series 250, 350, 350X, and 550X allows a hacker to elevate their privileges to the root level.

The vulnerability of the /etc/passwd file in Cisco Small Business routers of the 250, 350, 350X, and 550X series is related to the presence of empty password entries for the root and user accounts. Exploiting this vulnerability allows a remote attacker to elevate their privileges to the root leve...