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
- 9.8 Critical severity
DIR-X4860 A1: Use of Hard-coded Credentials
Certain models of D-Link wireless routers do not properly validate user input in the telnet service, allowing unauthenticated remote attackers to use hard-coded credentials to log into telnet and inject arbitrary OS commands, which can then be executed on the
- 9.8 Critical severity
DIR-X4860 A1: Hidden Functionality
Certain models of D-Link wireless routers have a hidden functionality where the telnet service is enabled when the WAN port is plugged in. Unauthorized remote attackers can log in and execute OS commands using hard-coded credentials.
- 8.8 High severity
DIR-X4860 A1: Hidden Functionality
Certain models of D-Link wireless routers contain hidden functionality. By sending specific packets to the web service, the attacker can forcibly enable the telnet service and log in using hard-coded credentials. The telnet service enabled through this method
- 9.8 Critical severity
DIR-X4860 A1: Out-of-bounds Write
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.
- 9.8 Critical severity
DIR-X5460 A1: Stack-based Buffer Overflow
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.
- 8.8 High severity
di-7003g_firmware: Improper Neutralization of Special Elements used in a Command
D-Link DI-7003G v19.12.24A1, DI-7003GV2 v24.04.18D1, DI-7100G+V2 v24.04.18D1, DI-7100GV2 v24.04.18D1, DI-7200GV2 v24.04.18E1, DI-7300G+V2 v24.04.18D1, and DI-7400G+V2 v24.04.18D1 are vulnerable to Remote Command Execution (RCE) via version_upgrade.asp.
- 8.8 High severity
di-7003g_firmware: Improper Neutralization of Special Elements used in a Command
D-Link DI-7003GV2 v24.04.18D1, DI-7100G+V2 v24.04.18D1, DI-7100GV2 v24.04.18D1, DI-7200GV2 v24.04.18E1, DI-7300G+V2 v24.04.18D1, and DI-7400G+V2 v24.04.18D1 are vulnerable to Remote Command Execution due to insufficient parameter filtering in the CGI handling
- 8.8 High severity
di-7300g\+v2_firmware: Improper Neutralization of Special Elements used in an OS Command
D-Link DI-7003GV2 v24.04.18D1, DI-7100G+V2 v24.04.18D1, DI-7100GV2 v24.04.18D1, DI-7200GV2 v24.04.18E1, DI-7300G+V2 v24.04.18D1, and DI-7400G+V2 v24.04.18D1 are vulnerable to Remote Command Execution. An attacker can achieve arbitrary command execution by send
- 7.5 High severity
dir-823g: Missing Authorization
D-Link DIR-823G v1.0.2B05_20181207 is vulnerable to Information Disclosure. The device allows unauthorized configuration file downloads, and the downloaded configuration files contain plaintext user passwords.
- 9.8 Critical severity
di-8400_firmware: Improper Neutralization of Special Elements used in a Command
A vulnerability was discovered in DI_8400-16.07.26A1, which has been classified as critical. This issue affects the upgrade_filter_asp function in the upgrade_filter.asp file. Manipulation of the path parameter can lead to command injection.
- 9.8 Critical severity
dap-2310_firmware: Improper Control of Generation of Code
D-Link DAP-2310 Hardware A Firmware 1.16RC028 allows remote attackers to execute arbitrary code via a stack-based buffer overflow in the ATP binary that handles PHP HTTP GET requests for the Apache HTTP Server (httpd). NOTE: This vulnerability only affects pro
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
A vulnerability classified as critical 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-1550-0
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
A vulnerability classified as critical has been 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-1
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in a Command
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. It ha
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
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. It ha
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
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. It ha
- 9.8 Critical severity
dir-846w_firmware: Improper Neutralization of Special Elements used in an OS Command
D-Link DIR-846W A1 FW100A43 was discovered to contain a remote command execution (RCE) vulnerability via the wl(0).(0)_ssid parameter. This vulnerability is exploited via a crafted POST request.
- 9.8 Critical severity
dir-846w_firmware: Improper Neutralization of Special Elements used in an OS Command
D-Link DIR-846W A1 FW100A43 was discovered to contain a remote command execution (RCE) vulnerability via the lan(0)_dhcps_staticlist parameter. This vulnerability is exploited via a crafted POST request.
- 8.8 High severity
dir-846w_firmware: Improper Neutralization of Special Elements used in an OS Command
D-Link DIR-846W A1 FW100A43 was discovered to contain a remote command execution (RCE) vulnerability via keys smartqos_express_devices and smartqos_normal_devices in SetSmartQoSSettings.
- 9.8 Critical severity
dir-846w_firmware: Improper Neutralization of Special Elements used in an OS Command
D-Link DIR-846W A1 FW100A43 was discovered to contain a remote command execution (RCE) vulnerability via the tomography_ping_address parameter in /HNAP1/ interface.
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
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. It ha
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
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. It ha
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
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. It ha
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
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 cl
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
A vulnerability has been 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 a
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
A vulnerability, which was classified as critical, 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 an
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
A vulnerability, which was classified as critical, has been 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-
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in an OS Command
A vulnerability classified as critical 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-1550-0
- 9.8 Critical severity
dir-860l_firmware: Buffer Copy without Checking Size of Input
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 comm
- 9.8 Critical severity
DNS-120: Improper Neutralization of Special Elements used in a Command
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 cl
- 8.8 High severity
DNS-120: Buffer Copy without Checking Size of Input
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, 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-7
- 9.8 Critical severity
DI-8100: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in D-Link DI-8100 16.07. It has been classified as critical. This affects the function upgrade_filter_asp of the file upgrade_filter.asp. The manipulation of the argument path leads to command injection. It is possible to initiate the
- 8.8 High severity
DNS-120: Buffer Copy without Checking Size of Input
** UNSUPPORTED WHEN ASSIGNED ** 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 D
- 9.8 Critical severity
DNS-120: Buffer Copy without Checking Size of Input
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability has been 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
- 9.8 Critical severity
DNS-120: Buffer Copy without Checking Size of Input
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, 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-7
- 9.8 Critical severity
DNS-120: Buffer Copy without Checking Size of Input
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, has been 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,
- 9.8 Critical severity
DNS-120: Buffer Copy without Checking Size of Input
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical 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-11
- 8.8 High severity
DI-8100: Improper Neutralization of Special Elements used in a Command
A vulnerability, which was classified as critical, has been found in D-Link DI-8100 16.07. This issue affects the function msp_info_htm of the file msp_info.htm. The manipulation of the argument cmd leads to command injection. The attack may be initiated remot
- 9.8 Critical severity
DIR-600: Improper Neutralization of Special Elements used in an OS Command
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DIR-600 up to 2.18. It has been rated as critical. This issue affects the function soapcgi_main of the file /soap.cgi. The manipulation of the argument service leads to os command injection. T
- 9.8 Critical severity
dir-860l_firmware: Use of Hard-coded Credentials
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.