On D-Link DIR-823G devices, ExportSettings.sh, upload_settings.cgi, GetDownLoadSyslog.sh, and upload_firmware.cgi do not require authentication, which allows remote attackers to execute arbitrary code.

An issue was discovered on D-Link DVA-5592 A1_WI_20180823 devices. If the PIN of the page "/ui/cbpc/login" is the default Parental Control PIN (0000), it is possible to bypass the login form by editing the path of the cookie "sid" generated by the page. The attacker will have access to the router control panel with administrator privileges.

An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. The 'sitename' parameter of the UpdateSite endpoint is vulnerable to stored XSS.

An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. An unrestricted file upload vulnerability in the onUploadLogPic endpoint allows remote authenticated users to execute arbitrary PHP code.

An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. The 'username' parameter of the addUser endpoint is vulnerable to stored XSS.

An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. They expose an FTP server that serves by default on port 9000 and has hardcoded credentials (admin, admin). Taking advantage of this, a remote unauthenticated attacker could execute arbitrary PHP code by uploading any file in the web root directory and then accessing it via a request.

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction in the handler function of the /goform/Diagnosis route. This could lead to command injection via shell metacharacters in the sendNum parameter.

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. A very long password to /goform/formLogin could lead to a stack-based buffer overflow and overwrite the return address.

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction in the handler function of the /goform/form2systime.cgi route. This could lead to command injection via shell metacharacters in the datetime parameter.

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/DDNS route, a very long password could lead to a stack-based buffer overflow and overwrite the return address.

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/sylogapply route. This could lead to command injection via the syslogIp parameter after /goform/clearlog is invoked.

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/NTPSyncWithHost route. This could lead to command injection via shell metacharacters.

D-Link DIR-600M devices allow XSS via the Hostname and Username fields in the Dynamic DNS Configuration page.

D-Link DIR-846 devices with firmware 100.26 allow remote attackers to execute arbitrary code as root via a SetNetworkTomographySettings request by leveraging admin access.

Cross-site scripting (XSS) vulnerability on D-Link DIR-615 routers 20.07 allows attackers to inject JavaScript into the router's admin UPnP page via the description field in an AddPortMapping UPnP SOAP request.

Cross-site scripting (XSS) vulnerability on D-Link DIR-615 routers 20.07 allows an attacker to inject JavaScript into the "Status -> Active Client Table" page via the hostname field in a DHCP request.

D-Link DIR-615 devices have a buffer overflow via a long Authorization HTTP header.

The MailConnect feature on D-Link Central WiFiManager CWM-100 1.03 r0098 devices is intended to check a connection to an SMTP server but actually allows outbound TCP to any port on any IP address, leading to SSRF, as demonstrated by an index.php/System/MailConnect/host/127.0.0.1/port/22/secure/ URI.

The FTP service on D-Link Central WiFiManager CWM-100 1.03 r0098 devices allows remote attackers to conduct a PORT command bounce scan via port 8000, resulting in SSRF.

The CaptivelPortal service on D-Link Central WiFiManager CWM-100 1.03 r0098 devices will load a Trojan horse "quserex.dll" from the CaptivelPortal.exe subdirectory under the D-Link directory, which allows unprivileged local users to gain SYSTEM privileges.