D-Link vulnerabilities
We track 922 vulnerabilities in D-Link products across 60+ products. 920 are rated high or critical, and 28 have been exploited in real attacks. The most recent was published on November 10, 2026.
Latest D-Link vulnerabilities
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was identified in D-Link DIR-823X 250416. This affects the function uci_set of the file /goform/set_wifi_blacklists. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit is publicly available a
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was determined in D-Link DIR-823X 250416. The impacted element is the function uci_del of the file /goform/delete_prohibiting. This manipulation of the argument delvalue causes command injection. It is possible to initiate the attack remotely.
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was found in D-Link DIR-823X 250416. The affected element is an unknown function of the file /goform/set_wifi_blacklists. The manipulation of the argument macList results in command injection. The attack may be performed from remote. The exploi
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability has been found in D-Link DIR-823X 250416. Impacted is an unknown function of the file /goform/set_device_name. The manipulation of the argument mac leads to command injection. The attack is possible to be carried out remotely. The exploit has b
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A flaw has been found in D-Link DIR-823X 250416. This issue affects some unknown processing of the file /goform/diag_traceroute. Executing manipulation of the argument target_addr can lead to command injection. The attack can be executed remotely. The exploit
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was detected in D-Link DIR-823X 250416. This vulnerability affects unknown code of the file /goform/delete_offline_device. Performing manipulation of the argument delvalue results in command injection. Remote exploitation of the attack is possi
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A weakness has been identified in D-Link DIR-823X 250416. Affected by this issue is the function sub_412E7C of the file /goform/set_switch_settings. This manipulation of the argument port causes command injection. The attack may be initiated remotely. The expl
- 8.8 High severity
Dir-823x Firmware: Improper Neutralization of Special Elements used in a Command
An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings interface, as the http_casswd parameter is not filtered by '&'to allow injection of reverse connection commands.
- 7.5 High severity
Di-7100g Firmware: Heap-based Buffer Overflow
Buffer overflow vulnerability in D-Link DI-7100G 2020-02-21 in the sub_451754 function of the jhttpd service in the viav4 parameter allowing attackers to cause a denial of service or execute arbitrary code.
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was determined in D-Link DIR-823X 240126/240802/250416. Affected by this vulnerability is an unknown functionality of the file /usr/sbin/goahead. This manipulation of the argument port causes command injection. The attack can be initiated remot
- 8.8 High severity
DIR-513: Out-of-bounds Write
A security vulnerability has been detected in D-Link DIR-513 A1FW110. Affected is an unknown function of the file /goform/formWPS. Such manipulation of the argument webpage leads to buffer overflow. The attack may be performed from remote. The exploit has been
- 9.8 Critical severity
DCS-935L: Out-of-bounds Write
A vulnerability was found in D-Link DCS-935L up to 1.13.01. The impacted element is the function sub_402280 of the file /HNAP1/. The manipulation of the argument HNAP_AUTH/SOAPAction results in stack-based buffer overflow. The attack may be launched remotely.
- 9.8 Critical severity
DIR-645: Improper Neutralization of Special Elements used in a Command
A vulnerability was identified in D-Link DIR-645 105B01. This issue affects the function soapcgi_main of the file /soap.cgi. Such manipulation of the argument service leads to command injection. The attack can be launched remotely. The exploit is publicly avai
- 9.8 Critical severity
DIR-825: Buffer Copy without Checking Size of Input
A security flaw has been discovered in D-Link DIR-825 up to 2.10. Affected by this vulnerability is the function sub_4106d4 of the file apply.cgi. The manipulation of the argument countdown_time results in buffer overflow. The attack can be executed remotely.
- 8.8 High severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A weakness has been identified in D-Link DIR-823X 240126/240802/250416. The impacted element is the function sub_412E7C of the file /usr/sbin/goahead of the component Environment Variable Handler. This manipulation of the argument terminal_addr/server_ip/serve
- 8.8 High severity
DIR-852: Improper Neutralization of Special Elements used in a Command
A vulnerability was determined in D-Link DIR-852 1.00CN B09. This issue affects the function ssdpcgi_main of the file htodcs/cgibin of the component Simple Service Discovery Protocol Service. Executing manipulation of the argument ST can lead to command inject
- 8.8 High severity
DIR-852: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in D-Link DIR-852 1.00CN B09. This vulnerability affects unknown code of the file /htdocs/cgibin/hedwig.cgi of the component Web Management Interface. Performing manipulation results in command injection. The attack is possible to be
- 8.8 High severity
DIR-823x: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was detected in D-Link DIR-823x up to 250416. The affected element is an unknown function of the file /goform/diag_ping. Performing manipulation of the argument target_addr results in command injection. Remote exploitation of the attack is poss
- 9.8 Critical severity
DIR-823X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was determined in D-Link DIR-823X up to 250416. Affected by this vulnerability is the function sub_415028 of the file /goform/set_static_leases. Executing manipulation of the argument Hostname can lead to command injection. The attack can be la
- 7.5 High severity
DIR-852: Exposure of Sensitive Information to an Unauthorized Actor
A vulnerability was identified in D-Link DIR-852 up to 1.00CN B09. Affected by this vulnerability is the function phpcgi_main of the file /getcfg.php of the component Device Configuration Handler. Such manipulation leads to information disclosure. The attack m
- 9.8 Critical severity
DIR-825: Buffer Copy without Checking Size of Input
A vulnerability was found in D-Link DIR-825 1.08.01. This impacts the function get_ping6_app_stat of the file ping6_response.cg of the component httpd. Performing manipulation of the argument ping6_ipaddr results in buffer overflow. It is possible to initiate
- 8.8 High severity
DI-8400: Out-of-bounds Write
A weakness has been identified in D-Link DI-8400 16.07.26A1. The affected element is the function yyxz_dlink_asp of the file /yyxz.asp. This manipulation of the argument ID causes stack-based buffer overflow. It is possible to initiate the attack remotely. The
- 9.8 Critical severity
DIR-852: Improper Neutralization of Special Elements used in an OS Command
A security vulnerability has been detected in D-Link DIR-852 1.00CN B09. Impacted is the function soapcgi_main of the file soap.cgi of the component SOAP Service. Such manipulation of the argument service leads to os command injection. The attack can be launch
- 7.2 High severity
DI-500WF: Improper Neutralization of Special Elements used in an OS Command
A security vulnerability has been detected in D-Link DI-500WF 14.04.10A1T. The impacted element is an unknown function of the file /version_upgrade.asp of the component jhttpd. The manipulation of the argument path leads to os command injection. The attack may
- 9.8 Critical severity
DIR-816L: Improper Neutralization of Special Elements used in an OS Command
A weakness has been identified in D-Link DIR-816L 206b01. Affected by this issue is the function soapcgi_main of the file /soap.cgi. This manipulation of the argument service causes os command injection. Remote exploitation of the attack is possible. The explo
- 9.8 Critical severity
Dir-868l Firmware: Improper Neutralization of Special Elements used in an OS Command
D-Link DIR-868L B1 router firmware version FW2.05WWB02 contains an unauthenticated OS command injection vulnerability in the fileaccess.cgi component. The endpoint /dws/api/UploadFile accepts a pre_api_arg parameter that is passed directly to system-level shel
- 7.0 High severity
Di-8100 Firmware: Buffer Copy without Checking Size of Input
D-Link DI-8100 16.07.26A1 is vulnerable to Buffer Overflow via the en`, `val and id parameters in the qj_asp function. This vulnerability allows authenticated attackers to cause a Denial of Service (DoS) by sending crafted GET requests with overly long values
- 9.8 Critical severity
Dsl-7740c Firmware: Improper Access Control
Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to modify arbitrary settings within the device's XML database, including the administrator’s password.
- 9.8 Critical severity
Dsl-7740c Firmware: Improper Access Control
Incorrect access control in the config.xgi function of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to download the configuration file via providing a crafted web request.
- 7.3 High severity
Dcs-825l Firmware: Improper Privilege Management
D-Link DCS-825L firmware version 1.08.01 and possibly prior versions contain an insecure implementation in the mydlink-watch-dog.sh script. The script monitors and respawns the `dcp` and `signalc` binaries without validating their integrity, origin, or permiss
- 9.8 Critical severity
Di-7400g+ Firmware: Improper Neutralization of Special Elements used in a Command
The DI-7400G+ router has a command injection vulnerability, which allows attackers to execute arbitrary commands on the device. The sub_478D28 function in in mng_platform.asp, and sub_4A12DC function in wayos_ac_server.asp of the jhttpd program, with the param
- 9.8 Critical severity
DIR-860L: Improper Neutralization of Special Elements used in a Command
A vulnerability was identified in D-Link DIR-860L 2.04.B04. This affects the function ssdpcgi_main of the file htdocs/cgibin of the component Simple Service Discovery Protocol. The manipulation leads to os command injection. It is possible to initiate the atta
- 8.1 High severity
DIR-619L: Insufficient Verification of Data Authenticity
A vulnerability was determined in D-Link DIR-619L 6.02CN02. Affected is the function FirmwareUpgrade of the component boa. The manipulation leads to insufficient verification of data authenticity. It is possible to launch the attack remotely. The complexity of
- 8.8 High severity
DIR‑818L: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was found in D-Link DIR‑818L up to 1.05B01. This issue affects the function getenv of the file /htdocs/cgibin of the component ssdpcgi. The manipulation leads to command injection. The attack may be initiated remotely. The exploit has been disc
- 9.8 Critical severity
DIR-825: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in D-Link DIR-825 2.10. Affected by this vulnerability is the function get_ping_app_stat of the file ping_response.cgi of the component httpd. The manipulation of the argument ping_ipaddr leads to stack-based buffer overflow. The
- 9.8 Critical severity
DIR-513: Out-of-bounds Write
A vulnerability was found in D-Link DIR-513 up to 1.10 and classified as critical. This issue affects the function formSetWanL2TPcallback of the file /goform/formSetWanL2TPtriggers of the component HTTP POST Request Handler. The manipulation leads to stack-bas
- 7.5 High severity
DI-8400: NULL Pointer Dereference
A vulnerability was found in D-Link DI-8400 16.07.26A1. It has been classified as problematic. This affects an unknown part of the file usb_paswd.asp of the component jhttpd. The manipulation of the argument share_enable leads to null pointer dereference. It i
- 9.8 Critical severity
DIR-513: Out-of-bounds Write
A vulnerability classified as critical has been found in D-Link DIR-513 1.10. This affects the function formSetWanPPTPcallback of the file /goform/formSetWanPPTPpath of the component HTTP POST Request Handler. The manipulation of the argument curTime leads to
- 9.8 Critical severity
DIR-513: Out-of-bounds Write
A vulnerability was found in D-Link DIR-513 1.10. It has been rated as critical. Affected by this issue is the function websAspInit of the file /goform/formSetWanPPPoE. The manipulation of the argument curTime leads to buffer overflow. The attack may be launch
- 9.8 Critical severity
DIR-513: Out-of-bounds Write
A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. This issue affects the function formLanguageChange of the file /goform/formLanguageChange of the component HTTP POST Request Handler. The manipulation of the argument curTime leads