A vulnerability was found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20240814 and classified as critical. Affected by this issue is the function module_enable_disable of the file /cgi-bin/apkg_mgr.cgi of the component HTTP POST Request Handler. The manipulation of the argument f_module_name leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed that the product is end-of-life. It should be retired and replaced.

D-Link DIR810LA1_FW102B22 was discovered to contain a command injection vulnerability via the Ping_addr function.

authentication.cgi on D-Link DIR-868L devices with Singapore StarHub firmware before v1.21SHCb03 allows remote attackers to execute arbitrary code.

D-Link DSL-2750B devices before 1.05 allow remote unauthenticated command injection via the login.cgi cli parameter, as exploited in the wild in 2016 through 2022.

A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf of the file /upnp_ctrl.asp of the component jhttpd. The manipulation of the argument remove_ext_proto/remove_ext_port leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded rostel account, which makes it easier for remote attackers to obtain access via a TELNET session.

An issue was discovered on the D-Link DWR-932B router. HELODBG on port 39889 (UDP) launches the "/sbin/telnetd -l /bin/sh" command.

D-Link DIR-300 REVA FIRMWARE v1.06B05_WW contains hardcoded credentials in the Telnet service.

In D-Link DIR-860L REVA FIRMWARE PATCH 1.10..B04, the Telnet service contains hardcoded credentials, enabling attackers to log in remotely to the Telnet service and perform arbitrary commands.

An issue was discovered on the D-Link DWR-932B router. Undocumented TELNET and SSH services provide logins to admin with the password admin and root with the password 1234.

D-Link DIR-823X AX3000 Dual-Band Gigabit Wireless Router v21_D240126 was discovered to contain a remote code execution (RCE) vulnerability in the ntp_zone_val parameter at /goform/set_ntp. This vulnerability is exploited via a crafted HTTP request.

D-Link DAP-1330_OSS-firmware_1.00b21 was discovered to contain a stack overflow via the function checkvalidupgrade.

The web service of certain models of D-Link wireless routers contains a Stack-based Buffer Overflow vulnerability, which allows unauthenticated remote attackers to exploit this vulnerability to execute arbitrary code on the device.

D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_48d630 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

D-Link - CWE-288:Authentication Bypass Using an Alternate Path or Channel

D-Link - CWE-294: Authentication Bypass by Capture-replay

An issue was discovered on the D-Link DWR-932B router. qmiweb allows command injection with ` characters.

In the web server on D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, there is a hardcoded password of anonymous for the admin account.

In D-Link DIR-860L v2.03, there is a buffer overflow vulnerability due to the lack of length verification for the SID field in gena.cgi. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, was found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. Affected is an unknown function of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument system leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259284. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as very critical, has been found in D-Link DNS-320L, DNS-325, DNS-327L and DNS-340L up to 20240403. This issue affects some unknown processing of the file /cgi-bin/nas_sharing.cgi of the component HTTP GET Request Handler. The manipulation of the argument user with the input messagebus leads to hard-coded credentials. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259283. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

D-Link DIR 645A1 1.06B01_Beta01 was discovered to contain a stack overflow via the service= variable in the genacgi_main function.

A vulnerability was found in D-Link DCS-932L 2.18.01 and classified as critical. Affected by this issue is the function sub_404780 of the file /bin/gpio. The manipulation of the argument CameraName leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been classified as critical. This affects the function set_ws_action of the file /dws/api/. The manipulation leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

A vulnerability was found in D-Link DIR-605L 2.13B01. It has been classified as critical. This affects the function formSetWAN_Wizard534. The manipulation of the argument curTime leads to buffer overflow. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

A vulnerability was found in D-Link DIR-605L 2.13B01. It has been rated as critical. This issue affects the function sub_454F2C. The manipulation of the argument sysCmd leads to command injection. The attack may be initiated remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

A vulnerability has been found in D-Link DIR-619L 2.04B04 and classified as critical. Affected by this vulnerability is the function formSetWAN_Wizard52. The manipulation of the argument curTime leads to buffer overflow. The attack can be launched remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

A vulnerability has been found in D-Link DIR-600L up to 2.07B01 and classified as critical. This vulnerability affects the function formEasySetupWizard. The manipulation of the argument host leads to buffer overflow. The attack can be initiated remotely. This vulnerability only affects products that are no longer supported by the maintainer.

A vulnerability was found in D-Link DIR-619L 2.04B04. It has been classified as critical. This affects the function formSysCmd. The manipulation of the argument sysCmd leads to command injection. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

A vulnerability classified as critical was found in D-Link DIR-880L up to 104WWb01. Affected by this vulnerability is the function sub_16570 of the file /htdocs/ssdpcgi of the component Request Header Handler. The manipulation of the argument HTTP_ST/REMOTE_ADDR/REMOTE_PORT/SERVER_ID leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

A vulnerability, which was classified as critical, was found in D-Link DIR-619L 2.04B04. Affected is the function formSetEasy_Wizard. The manipulation of the argument curTime leads to buffer overflow. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

An issue in Dlink DIR-816A2 v.1.10CNB05 allows a remote attacker to execute arbitrary code via the wizardstep4_ssid_2 parameter in the sub_42DA54 function.

A command injection vulnerability exists in D-Link DAP-1650 devices when handling UPnP SUBSCRIBE messages. An unauthenticated attacker can exploit this vulnerability to gain command execution on the device as root.

In D-LINK Go-RT-AC750 v101b03, the sprintf function in the sub_40E700 function within the cgibin is susceptible to stack overflow.

A buffer overflow in D-Link DIR-615 C2 3.03WW. The ping_ipaddr parameter in ping_response.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution.

D-Link DIR-882 DIR882A1_FW130B06 was discovered to contain a stack overflow via the sub_477AA0 function.

D-LINK Go-RT-AC750 GORTAC750_A1_FW_v101b03 has a hardcoded password for the Alphanetworks account, which allows remote attackers to obtain root access via a telnet session.

There is a command injection vulnerability in the ssdpcgi_main function of cgibin binary in D-Link DIR-815 router firmware v1.04.

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DIR-859 1.06B01. It has been rated as critical. Affected by this issue is some unknown functionality of the file /hedwig.cgi of the component HTTP POST Request Handler. The manipulation of the argument service with the input ../../../../htdocs/webinc/getcfg/DHCPS6.BRIDGE-1.xml leads to path traversal. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-251666 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

A vulnerability was found in D-Link DIR-823G 1.0.2B05_20181207. It has been rated as critical. This issue affects the function SetAutoRebootSettings/SetClientInfo/SetDMZSettings/SetFirewallSettings/SetParentsControlInfo/SetQoSSettings/SetVirtualServerSettings of the file /HNAP1/ of the component Web Management Interface. 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.

On D-Link DAP-1530 (A1) before firmware version 1.06b01, DAP-1610 (A1) before firmware version 1.06b01, DWR-111 (A1) before firmware version 1.02v02, DWR-116 (A1) before firmware version 1.06b03, DWR-512 (B1) before firmware version 2.02b01, DWR-711 (A1) through firmware version 1.11, DWR-712 (B1) before firmware version 2.04b01, DWR-921 (A1) before firmware version 1.02b01, and DWR-921 (B1) before firmware version 2.03b01, there exists an EXCU_SHELL file in the web directory. By sending a GET request with specially crafted headers to the /EXCU_SHELL URI, an attacker could execute arbitrary shell commands in the root context on the affected device. Other devices might be affected as well.

atbox.htm on D-Link DSL-2770L devices allows remote unauthenticated attackers to discover admin credentials.

The D-Link DSL6740C modem has an Incorrect Use of Privileged APIs vulnerability, allowing unauthenticated remote attackers to modify any user’s password by leveraging the API, thereby granting access to Web, SSH, and Telnet services using that user’s account.

A command injection vulnerability exists in the gena.cgi module of D-Link DAP-1650 devices. An unauthenticated attacker can exploit this vulnerability to gain command execution on the device as root.

D-Link COVR-2600R and COVR-3902 Kit before 1.01b05Beta01 use hardcoded credentials for telnet connection, which allows unauthenticated attackers to gain privileged access to the router, and to extract sensitive data or modify the configuration.

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.

D-Link DCM-604 DCM604_C1_ViaCabo_1.04_20130606 and DCM-704 EU_DCM-704_1.10 devices allow remote attackers to discover Wi-Fi credentials via iso.3.6.1.4.1.4413.2.2.2.1.5.4.1.14.1.3.32 and iso.3.6.1.4.1.4413.2.2.2.1.5.4.2.4.1.2.32 SNMP requests.

D-Link Go-RT-AC750 GORTAC750_A1_FW_v101b03 contains a stack-based buffer overflow via the function genacgi_main. This vulnerability allows attackers to enable telnet service via a specially crafted payload.