The web interface of the D-Link DVA-5592 20180823 is vulnerable to XSS because HTML form parameters are directly reflected.
dlink
CVE-2019-6969
The web interface of the D-Link DVA-5592 20180823 is vulnerable to an authentication bypass that allows an unauthenticated user to have access to sensitive information such as the Wi-Fi password and the phone number (if VoIP is in use).
CVE-2019-6258
D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a /HNAP1/SetClientInfo HNAP protocol message, which is mishandled in /usr/sbin/udhcpd during reading of the /var/servd/LAN-1-udhcpd.conf file.
CVE-2019-6013
DBA-1510P firmware 1.70b009 and earlier allows authenticated attackers to execute arbitrary OS commands via Command Line Interface (CLI).
CVE-2019-6014
DBA-1510P firmware 1.70b009 and earlier allows an attacker to execute arbitrary OS commands via Web User Interface.
CVE-2019-20213
D-Link DIR-859 routers before v1.07b03_beta allow Unauthenticated Information Disclosure via the AUTHORIZED_GROUP=1%0a value, as demonstrated by vpnconfig.php.