Provide references for CVE-2020-29299.
Where can I find more information about CVE-2020-29299?
References are available at: https://www.zyxel.com/us/en/support/security_advisories.shtml, https://www.zyxel.com/support/Zyxel-security-advisory-for-command-injection-vulnerability-of-firewalls.shtml.