The vulnerability of the account_operator.cgi file in the microprogramming software for ZyXEL USG FLEX and VPN devices allows a hacker to alter the device’s configuration data and trigger a service failure.

The vulnerability of the accountoperator.cgi file in the ZyXEL USG FLEX and VPN networking devices relates to the lack of measures taken to neutralize special elements used in the operating system commands. Exploiting this vulnerability can allow a malicious actor to remotely alter the device’s...