The vulnerability of Zyxel GS1900 series router microprogramming software lies in the fact that both users and administrators have identical access privileges when connecting via SSH. This allows a hacker to exploit this privilege to gain increased access.

The vulnerability of Zyxel GS1900 series router microprogramming software is related to the presence of identical access privileges when connecting via SSH for both users and administrators. Exploiting this vulnerability allows a malicious actor to enhance their privileged status remotely...