A Command Injection vulnerability exists in the /var/www/cgi-bin/rtpd.cgi script in D-Link IP Cameras DCS-3411/3430 firmware 1.02, DCS-5605/5635 1.01, DCS-1100L/1130L 1.04, DCS-1100/1130 1.03, DCS-1100/1130 1.04_US, DCS-2102/2121 1.05_RU, DCS-3410 1.02, DCS-5230 1.02, DCS-5230L 1.02, DCS-6410 1.00, DCS-7410 1.00, DCS-7510 1.00, and WCS-1100 1.02, which could let a remote malicious user execute arbitrary commands through the camera’s web interface.

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.

D-Link DVX-2000MS contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file. As weak passwords have been used, the plaintext passwords can be recovered from the hash values.

A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L routers via the DDNS function in ncc2 binary file. Note: DIR-810L, DIR-820L, DIR-830L, DIR-826L, DIR-836L, all hardware revisions, have reached their End of Life ("EOL") /End of Service Life ("EOS") Life-Cycle and as such this issue will not be patched.

DLink DIR850 ET850-1.08TRb03 is affected by an incorrect access control vulnerability through an unauthenticated remote configuration download.

In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.

D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices use the same hardcoded /etc/stunnel.key private key across different customers' installations, which allows remote attackers to defeat the HTTPS cryptographic protection mechanisms by leveraging knowledge of this key from another installation.

D-Link device DI-7200GV2.E1 v21.04.09E1 was discovered to contain a command injection vulnerability in the function usb_paswd.asp. This vulnerability allows attackers to execute arbitrary commands via the name parameter.

D-Link device DI-7200GV2.E1 v21.04.09E1 was discovered to contain a command injection vulnerability in the function httpd_debug.asp. This vulnerability allows attackers to execute arbitrary commands via the time parameter.

Certain D-Link products are affected by: Buffer Overflow. This affects DIR-880L 1.08B04 and DIR-895 L/R 1.13b03. The impact is: execute arbitrary code (remote). The component is: htdocs/fileaccess.cgi. The attack vector is: A crafted HTTP request handled by fileacces.cgi could allow an attacker to mount a ROP attack: if the HTTP header field CONTENT_TYPE starts with ''boundary=' followed by more than 256 characters, a buffer overflow would be triggered, potentially causing code execution.

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.

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

D-Link DIR-820LW REVB FIRMWARE PATCH 2.03.B01_TC contains hardcoded credentials in the Telnet service, enabling attackers to log in remotely to the Telnet service and perform arbitrary commands.

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-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 DIR-820L 1.05B03 has a stack overflow vulnerability in the cancelPing function.

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

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the remove_ext_proto/remove_ext_port parameter of the upnp_ctrl.asp function.

D-Link device DIR-820L 1.05B03 is vulnerable to Insecure Permissions.

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

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the fn parameter of the file.data function.

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_800462c4 in /formAdvFirewall. This vulnerability is triggered via a crafted POST request.

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80034d60 in /formStaticDHCP. This vulnerability is triggered via a crafted POST request.

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80046eb4 in /formSetPortTr. This vulnerability is triggered via a crafted POST request.

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the ip/type parameter of the jingx.asp function.

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function sub_8003183C in /fromLogin. This vulnerability is triggered via a crafted POST request.

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function sub_80046EB4 in /formSetPortTr. This vulnerability is triggered via a crafted POST request.

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_8004776c in /formVirtualServ. This vulnerability is triggered via a crafted POST request.

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_8004776c in /formVirtualApp. This vulnerability is triggered via a crafted POST request.

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.

A vulnerability was found in D-Link DAR-8000-10 up to 20230809. It has been classified as critical. This affects an unknown part of the file /app/sys1.php. The manipulation of the argument cmd with the input id leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-238047. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the wild/mx and other parameters of the ddns.asp function

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.

D-Link Online behavior audit gateway DAR-7000 V31R02B1413C is vulnerable to SQL Injection via /log/mailrecvview.php.

** 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.

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the n parameter of the mrclfile_del.asp function.

Stack Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the wanid parameter of the H5/speedlimit.data function.

The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allows unauthenticated remote code execution as root because /etc/services/INET/inet_ipv4.php mishandles shell metacharacters, affecting generated files such as WAN-1-udhcpc.sh.

Remote Code Execution (RCE) vulnerability exists in D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin. Malicious users can use this vulnerability to use "\ " or backticks to bypass the shell metacharacters in the ssid0 or ssid1 parameters to execute arbitrary commands.This vulnerability is due to the fact that CVE-2019-17509 is not fully patched and can be bypassed by using line breaks or backticks on its basis.

A vulnerability, which was classified as critical, has been found in D-Link DIR-632 FW103B08. Affected by this issue is the function get_pure_content of the component HTTP POST Request Handler. The manipulation of the argument Content-Length 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.

D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of wrgac25_dlink.2013gui_dir850l for the Alphanetworks account upon device reset, which allows remote attackers to obtain root access via a TELNET session.

Stack Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the ip parameter of the ip_position.asp function.

register_send.php on D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices does not require authentication, which can result in unintended enrollment in mydlink Cloud Services.

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the fn parameter of the tgfile.htm function.

D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter sip_address in ipportFilter.

D-Link device DI-7200GV2.E1 v21.04.09E1 was discovered to contain a stack overflow via the id parameter in the yyxz.data function.

D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter macCloneMac in setMAC.

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 device DI-7200GV2.E1 v21.04.09E1 was discovered to contain a stack overflow via the prev parameter in the H5/login.cgi function.