Vulnerabilities (CVE)

Filtered by vendor Dlink Subscribe
Total 1765 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2021-34862 1 Dlink 2 Dap-2020, Dap-2020 Firmware 2026-06-17 5.8 MEDIUM 8.8 HIGH
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:menu parameter provided to the webproc endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13270.
CVE-2021-34861 1 Dlink 2 Dap-2020, Dap-2020 Firmware 2026-06-17 5.8 MEDIUM 8.8 HIGH
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the webproc endpoint, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12104.
CVE-2021-34860 1 Dlink 2 Dap-2020, Dap-2020 Firmware 2026-06-17 3.3 LOW 6.5 MEDIUM
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the getpage parameter provided to the webproc endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-12103.
CVE-2021-34830 1 Dlink 2 Dap-1330, Dap-1330 Firmware 2026-06-17 8.3 HIGH 8.8 HIGH
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the Cookie HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12028.
CVE-2021-34829 1 Dlink 2 Dap-1330, Dap-1330 Firmware 2026-06-17 8.3 HIGH 8.8 HIGH
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the HNAP_AUTH HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12065.
CVE-2021-34828 1 Dlink 2 Dap-1330, Dap-1330 Firmware 2026-06-17 8.3 HIGH 8.8 HIGH
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the SOAPAction HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12066.
CVE-2021-34827 1 Dlink 2 Dap-1330, Dap-1330 Firmware 2026-06-17 8.3 HIGH 8.8 HIGH
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the SOAPAction HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12029.
CVE-2021-33346 1 Dlink 2 Dsl-2888a, Dsl-2888a Firmware 2026-06-17 5.0 MEDIUM 9.8 CRITICAL
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.
CVE-2021-33274 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 10.0 HIGH 9.8 CRITICAL
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_80040af8 in /formWlanSetup. This vulnerability is triggered via a crafted POST request.
CVE-2021-33271 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 10.0 HIGH 9.8 CRITICAL
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.
CVE-2021-33270 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 10.0 HIGH 9.8 CRITICAL
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.
CVE-2021-33269 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 10.0 HIGH 9.8 CRITICAL
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.
CVE-2021-33268 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 10.0 HIGH 9.8 CRITICAL
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.
CVE-2021-33267 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 10.0 HIGH 9.8 CRITICAL
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.
CVE-2021-33266 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 10.0 HIGH 9.8 CRITICAL
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.
CVE-2021-33265 1 Dlink 2 Dir-809, Dir-809 Firmware 2026-06-17 7.2 HIGH 9.8 CRITICAL
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.
CVE-2021-31326 1 Dlink 2 Dir-816, Dir-816 Firmware 2026-06-17 9.0 HIGH 9.8 CRITICAL
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.
CVE-2021-30072 1 Dlink 2 Dir-878, Dir-878 Firmware 2026-06-17 7.5 HIGH 9.8 CRITICAL
An issue was discovered in prog.cgi on D-Link DIR-878 1.30B08 devices. Because strcat is misused, there is a stack-based buffer overflow that does not require authentication.
CVE-2021-29379 1 Dlink 2 Dir-802, Dir-802 Firmware 2026-06-17 5.8 MEDIUM 8.8 HIGH
An issue was discovered on D-Link DIR-802 A1 devices through 1.00b05. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
CVE-2021-29296 1 Dlink 2 Dir-825, Dir-825 Firmware 2026-06-17 5.0 MEDIUM 7.5 HIGH
Null Pointer Dereference vulnerability in D-Link DIR-825 2.10b02, which could let a remote malicious user cause a denial of service. The vulnerability could be triggered by sending an HTTP request with URL /vct_wan; the sbin/httpd would invoke the strchr function and take NULL as a first argument, which finally leads to the segmentation fault. NOTE: The DIR-825 and all hardware revisions is considered End of Life and as such this issue will not be patched