An issue was discovered on D-Link DIR-850L 1.21WW devices. A partially completed WPA handshake is sufficient for obtaining full access to the wireless network. A client can access the network by sending packets on Data Frames to the AP without encryption.

There is an arbitrary password modification vulnerability in a D-LINK DSL-2888A router product. An attacker can use this vulnerability to modify the password of the admin user without authorization.

htdocs/parentalcontrols/bind.php on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) devices does not prevent unauthenticated nonce-guessing attacks, which makes it easier for remote attackers to change the DNS configuration via a series of requests.

A Broken Access Control vulnerability in the D-Link DSL-2680 web administration interface (Firmware EU_1.03) allows an attacker to change DNS servers without being authenticated on the admin interface by submitting a crafted Forms/dns_1 POST request.

A vulnerability was found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. It has been declared as critical. This vulnerability affects unknown code of the file /goform/form2NetSniper.cgi. The manipulation leads to improper access controls. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

A vulnerability classified as critical was found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. This vulnerability affects unknown code of the file /goform/DDNS of the component DDNS Service. The manipulation leads to improper access controls. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

A vulnerability, which was classified as critical, was found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. Affected is an unknown function of the file /goform/form2AdvanceSetup.cgi of the component WiFi Settings Handler. The manipulation leads to improper access controls. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

A vulnerability was found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/form2IPQoSTcAdd of the component IP QoS Handler. The manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

A vulnerability was found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. It has been classified as critical. This affects an unknown part of the file /goform/form2LocalAclEditcfg.cgi of the component ACL Handler. The manipulation leads to improper access controls. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

A Broken Access Control vulnerability in the D-Link DSL-2680 web administration interface (Firmware EU_1.03) allows an attacker to enable or disable MAC address filtering by submitting a crafted Forms/WlanMacFilter_1 POST request without being authenticated on the admin interface.

A Broken Access Control vulnerability in the D-Link DSL-2680 web administration interface (Firmware EU_1.03) allows an attacker to download the configuration (binary file) settings by submitting a rom-0 GET request without being authenticated on the admin interface.

The D-Link DIR-816 A2 1.11 router only checks the random token when authorizing a goform request. An attacker can get this token from dir_login.asp and use an API URL /goform/setSysAdm to edit the web or system account without authentication.

The D-Link DIR-816 A2 1.11 router only checks the random token when authorizing a goform request. An attacker can get this token from dir_login.asp and use an API URL /goform/form2userconfig.cgi to edit the system account without authentication.

D-Link DIR-655 C devices before 3.02B05 BETA03 allow remote attackers to force a blank password via the apply_sec.cgi setup_wizard parameter.

On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.

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.

A vulnerability, which was classified as critical, was found in D-Link DI-7003GV2 24.04.18D1 R(68125). This affects the function sub_41F4F0 of the file /H5/webgl.asp?tggl_port=0&remote_management=0&http_passwd=game&exec_service=admin-restart. The manipulation leads to unverified password change. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

A vulnerability has been found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/form2Dhcpd.cgi of the component DHCPD Setting Handler. The manipulation leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

A vulnerability, which was classified as critical, has been found in D-Link DIR-816 A2 1.10CNB05_R1B011D88210. This issue affects some unknown processing of the file /goform/form2AddVrtsrv.cgi of the component Virtual Service Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

An issue was discovered on the D-Link DWR-932B router. /var/miniupnpd.conf has no deny rules.

An issue was discovered on the D-Link DWR-932B router. A secure_mode=no line exists in /var/miniupnpd.conf.

An issue was discovered on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to enable Guest Wi-Fi via the SetWLanRadioSettings HNAP API to the web service provided by /bin/goahead.

D-Link DSL 2730-U IN_1.10 and IN_1.11 and DIR-600M 3.04 devices have the domain.name string in the DNS resolver search path by default, which allows remote attackers to provide valid DNS responses (and also offer Internet services such as HTTP) for names that otherwise would have had an NXDOMAIN error, by registering a subdomain of the domain.name domain name.

An issue was discovered in /bin/goahead on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to hijack the DNS service configuration of all clients in the WLAN, without authentication, via the SetWanSettings HNAP API.

D-Link DIR-615 Wireless N 300 Router allows authentication bypass via a modified POST request to login.cgi. This issue occurs because it fails to validate the password field. Successful exploitation of this issue allows an attacker to take control of the affected device.

D-Link DIR-505L SharePort Mobile Companion 1.01 and DIR-826L Wireless N600 Cloud Router 1.02 allows remote attackers to bypass authentication via a direct request when an authorized session is active.

D-Link DIR865L v1.03 suffers from an "Unauthenticated Hardware Linking" vulnerability.

An Authentication Bypass vulnerability exists in upnp/asf-mp4.asf when streaming live video in D-Link TESCO DCS-2121 1.05_TESCO, TESCO DCS-2102 1.05_TESCO, DCS-2121 1.06_FR, 1.06, and 1.05_RU, DCS-2102 1.06_FR. 1.06, and 1.05_RU, which could let a malicious user obtain sensitive information.

D-Link DIR-816 A2 1.10 B05 allows unauthenticated attackers to arbitrarily reset the device via a crafted tokenid parameter to /goform/form2Reboot.cgi.

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 1.10B01 BETA Wi-Fi range extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of cookies. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9554.

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470.

D-Link DAP-1860 devices before v1.04b03 Beta allow access to administrator functions without authentication via the HNAP_AUTH header timestamp value. In HTTP requests, part of the HNAP_AUTH header is the timestamp used to determine the time when the user sent the request. If this value is equal to the value stored in the device's /var/hnap/timestamp file, the request will pass the HNAP_AUTH check function.

SharePort Web Access on D-Link DIR-868L REVB through 2.03, DIR-885L REVA through 1.20, and DIR-895L REVA through 1.21 devices allows Authentication Bypass, as demonstrated by a direct request to folder_view.php or category_view.php.

/web/Lib/Action/IndexAction.class.php in D-Link Central WiFi Manager CWM(100) before v1.03R0100_BETA6 allows remote attackers to execute arbitrary PHP code via a cookie because a cookie's username field allows eval injection, and an empty password bypasses authentication.

D-Link DNS-320L firmware before 1.04b12, DNS-327L before 1.03b04 Build0119, DNR-326 1.40b03, DNS-320B 1.02b01, DNS-345 1.03b06, DNS-325 1.05b03, and DNS-322L 2.00b07 allow remote attackers to bypass authentication and log in with administrator permissions by passing the cgi_set_wto command in the cmd parameter, and setting the spawned session's cookie to username=admin.

D-Link DIR-601 B1 2.00NA devices are vulnerable to authentication bypass. They do not check for authentication at the server side and rely on client-side validation, which is bypassable. NOTE: this is an end-of-life product.

The check_login function in D-Link DNR-326 before 2.10 build 03 allows remote attackers to bypass authentication and log in by setting the username cookie parameter to an arbitrary string.

D-Link DIR-879 v105A1 is vulnerable to Authentication Bypass via phpcgi.

D-Link DIR-890L FW1.10 A1 is vulnerable to Authentication bypass.

D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR-850L B* before v2.22B03Beta, and DIR-880L A* before v1.20B02Beta devices allow authentication bypass.

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-2610 Firmware v2.01RC067 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords. The issue results from the lack of proper password checking. An attacker can leverage this vulnerability to execute arbitrary code in the context of root. Was ZDI-CAN-10082.

An issue was discovered on D-Link DIR-809 A1 through 1.09, A2 through 1.11, and Guest Zone through 1.09 devices. One can bypass authentication mechanisms to download the configuration file.

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-16142.

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhttpd service, which listens on TCP port 8008 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10912.

A vulnerability was found in D-Link DI-7003GV2 24.04.18D1 R(68125). It has been classified as critical. This affects the function sub_497DE4 of the file /H5/netconfig.asp. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

D-Link GO-RT-AC750 GORTAC750_revA_v101b03 & GO-RT-AC750_revB_FWv200b02 is vulnerable to Static Default Credentials via /etc/init0.d/S80telnetd.sh.

An issue in D-Link DI-8100 16.07.26A1 allows a remote attacker to bypass administrator login authentication

D-Link DIR-601 A1 1.02NA devices do not require the old password for a password change, which occurs in cleartext.