Dlink vulnerabilities

CVE-2026-86297 High · 8.1 CWE-189 Sep 7, 2026

D-Link DIR-605 L2TP Control Message tunnel.c tunnel_set_params off-by-one

A vulnerability was identified in D-Link DIR-605 B1v202WWB03. This issue affects the function tunnel_set_params of the file progs.gpl/pppd.alpha/l2tp/tunnel.c of the component L2TP Control Message Parser. Such manipulation of the argument peer_hostname leads to off-by-one. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit is publicly available and might be used.

CVE-2026-86296 Critical · 10.0 CWE-119 Sep 7, 2026

D-Link DIR-822A udhcpcd serverpacket.c strcpy stack-based overflow

A vulnerability was determined in D-Link DIR-822A A_101. This vulnerability affects the function strcpy of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

CVE-2026-86295 High · 8.3 CWE-74 Sep 7, 2026

D-Link DIR-895L udhcpcd serverpacket.c sendACK command injection

A vulnerability was found in D-Link DIR-895L A1_102b07. This affects the function sendACK of the file udhcpcd/serverpacket.c of the component udhcpcd. The manipulation of the argument Hostname results in command injection. The attack can be executed remotely. The exploit has been made public and could be used.

CVE-2026-85224 Critical · 9.1 CWE-77 Sep 3, 2026

D-Link DNS-320 ShareCenter File Sharing file_sharing.cgi os command injection

A vulnerability was determined in D-Link DNS-320 ShareCenter 2.06B01. This affects an unknown part of the file /cgi/file_sharing.cgi of the component File Sharing. Executing a manipulation of the argument fileurl can lead to os command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

CVE-2026-85223 Critical · 9.9 CWE-77 Sep 3, 2026

D-Link DNS-340L CGI dropbox.cgi os command injection

A vulnerability was found in D-Link DNS-340L 1.01B04. Affected by this issue is some unknown functionality of the file /cgi-bin/dropbox.cgi of the component CGI Handler. Performing a manipulation of the argument callback_url/sync_interval results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.

CVE-2026-85222 Critical · 9.1 CWE-77 Sep 3, 2026

D-Link DNS-340L Add-On Center addon_center.cgi os command injection

A vulnerability has been found in D-Link DNS-340L 1.01B04. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/addon_center.cgi of the component Add-On Center. Such manipulation of the argument f_name/f_url/f_flag/f_login_user leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

CVE-2026-82692 Critical · 9.9 CWE-77 Aug 31, 2026

D-Link DNS-340L/DNS-345 iscsi_mgr.cgi os command injection

A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717. This affects an unknown part of the file /cgi-bin/iscsi_mgr.cgi. Performing a manipulation of the argument alias/username/password/volume_location results in os command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

CVE-2026-82691 Critical · 9.1 CWE-77 Aug 31, 2026

D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection

A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usb_device.cgi of the component CGI Handler. Such manipulation of the argument f_ups_ip leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

CVE-2026-82690 Critical · 9.1 CWE-77 Aug 31, 2026

D-Link DNS-327L/DNS-340L ve_mgr.cgi os command injection

A flaw has been found in D-Link DNS-327L and DNS-340L up to 20260717. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/ve_mgr.cgi. This manipulation of the argument f_dev causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used.

CVE-2026-82689 Critical · 9.9 CWE-77 Aug 31, 2026

D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 ISO Image isomount_mgr.cgi os command injection

A vulnerability was detected in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected is an unknown function of the file /cgi-bin/isomount_mgr.cgi of the component ISO Image Handler. The manipulation of the argument upIsoRootPath results in os command injection. The attack can be executed remotely. The exploit is now public and may be used.

CVE-2026-82688 Critical · 9.1 CWE-77 Aug 31, 2026

D-Link DNS-340L/DNS-345 Virtual Volume virtual_vol.cgi os command injection

A security vulnerability has been detected in D-Link DNS-340L and DNS-345 1.01B04/1.03B06/1.04.B02/1.05b04. This impacts an unknown function of the file /cgi-bin/virtual_vol.cgi of the component Virtual Volume Handler. The manipulation of the argument f_sharename/f_target/f_name leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

CVE-2026-82680 High · 8.8 CWE-119 Aug 31, 2026

D-Link DSM-G600 Multipart load_file.cgi out-of-bounds write

A weakness has been identified in D-Link DSM-G600 1.01. This affects an unknown function of the file /load_file.cgi of the component Multipart Handler. Executing a manipulation can lead to out-of-bounds write. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-82595 High · 7.4 CWE-74 Aug 30, 2026

D-Link DIR-825M System Command Execution formSysCmd sub_456CF4 command injection

A vulnerability was found in D-Link DIR-825M 1.1.8. Affected by this vulnerability is the function sub_456CF4 of the file /boafrm/formSysCmd of the component System Command Execution. Performing a manipulation of the argument sysCmd results in command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

CVE-2026-82593 Critical · 9.9 CWE-119 Aug 30, 2026

D-Link DIR-825M LTE Module Firmware Upgrade formLtefotaUpgradeFibocom sub_41802C stack-based overflow

A flaw has been found in D-Link DIR-825M 1.1.8. This impacts the function sub_41802C of the file /boafrm/formLtefotaUpgradeFibocom of the component LTE Module Firmware Upgrade. This manipulation of the argument fota_url causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used.

CVE-2026-82592 Critical · 9.9 CWE-119 Aug 30, 2026

D-Link DIR-825M Disk Formatting Handler Endpoint formDiskFormat sub_46725C stack-based overflow

A vulnerability was detected in D-Link DIR-825M 1.1.8. This affects the function sub_46725C of the file /boafrm/formDiskFormat of the component Disk Formatting Handler Endpoint. The manipulation of the argument partition results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.

CVE-2026-19893 Low · 3.1 CWE-266 Aug 15, 2026

D-Link DIR-842 vsftpd vsftpd.conf default permission

A vulnerability was identified in D-Link DIR-842 2.01.B04. This impacts an unknown function of the file /etc/vsftpd.conf of the component vsftpd. Such manipulation leads to incorrect default permissions. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult.

CVE-2026-71958 Critical · 9.8 CWE-120 Aug 8, 2026

D-Link DWR-M961 Buffer Overflow via quicksetup.cgi

D-Link DWR-M961 devices with hardware version C1 and software version 1.1.2_C1_202602110044 contain a buffer overflow vulnerability in the quicksetup.cgi interface. A remote attacker can write overly long strings to the test4, ssid2, and username fields and execute arbitrary commands by crafting a specific payload, or cause the device to crash.

CVE-2026-71957 Critical · 9.8 CWE-120 Aug 8, 2026

D-Link DWR-M961 Buffer Overflow via app.cgi

D-Link DWR-M961 devices with hardware version C1 and software version 1.1.2_C1_202602110044 contain a buffer overflow vulnerability in the app.cgi interface. A remote attacker can write an overly long string to the netAcc.addlist[].name field and execute arbitrary commands by crafting a specific payload, or cause the device to crash.

CVE-2026-71956 Critical · 9.8 CWE-78 Aug 8, 2026

D-Link DWR-M961 Command Injection via app.cgi

D-Link DWR-M961 devices with hardware version C1 and software version 1.1.2_C1_202602110044 contain a command injection vulnerability in the app.cgi interface. A remote attacker can inject arbitrary malicious commands into the netDig.ping.dst field, resulting in command execution with root privileges.

CVE-2026-71955 Critical · 9.8 CWE-78 Aug 8, 2026

D-Link DWR-M961 Command Injection via /boafrm/formWsc

D-Link DWR-M961 devices with hardware version C1 and software version 1.1.2_C1_202602110044 contain a command injection vulnerability in the /boafrm/formWsc interface. A remote attacker can inject arbitrary malicious commands into the localPin, targetAPSsid, peerPin, and peerRptPin fields, resulting in command execution with root privileges.

CVE-2026-71954 Critical · 9.8 CWE-78 Aug 8, 2026

D-Link DWR-M961 Command Injection via /boafrm/formL2tpv3ConfigSetup

D-Link DWR-M961 devices with hardware version C1 and firmware version before 1.1.5_C1_202607071108 contain a command injection vulnerability in the /boafrm/formL2tpv3ConfigSetup interface. A remote attacker can inject arbitrary malicious commands into the tunnelid and sessionid fields, resulting in command execution with root privileges.

CVE-2026-71953 Critical · 9.8 CWE-78 Aug 8, 2026

D-Link DWR-M961 Command Injection via /boafrm/formNtp

D-Link DWR-M961 devices with hardware version C1 and firmware version before 1.1.5_C1_202607071108 contain a command injection vulnerability in the /boafrm/formNtp interface. A remote attacker can inject arbitrary malicious commands into the ntpServerIp1 field, resulting in command execution with root privileges.

CVE-2026-71952 Critical · 9.8 CWE-78 Aug 8, 2026

D-Link DWR-M961 Command Injection via /boafrm/formPinManageSetup

D-Link DWR-M961 devices with hardware version C1 and firmware version before 1.1.5_C1_202607071108 contain a command injection vulnerability in the /boafrm/formPinManageSetup interface. A remote attacker can inject arbitrary malicious commands into the oldPIn field, resulting in command execution with root privileges.

CVE-2026-71951 Critical · 9.8 CWE-78 Aug 8, 2026

D-Link DWR-M961 Command Injection via /boafrm/formIMEISetup

D-Link DWR-M961 devices with hardware version C1 and firmware version before 1.1.5_C1_202607071108 contain a command injection vulnerability in the /boafrm/formIMEISetup interface. A remote attacker can inject arbitrary malicious commands into the IMEI_value field, resulting in command execution with root privileges.

CVE-2026-71950 Critical · 9.8 CWE-78 Aug 8, 2026

D-Link DWR-M961 Command Injection via /boafrm/formSmsManage

D-Link DWR-M961 devices with hardware version C1 and firmware version before 1.1.5_C1_202607071108 contain a command injection vulnerability in the /boafrm/formSmsManage interface. A remote attacker can inject arbitrary malicious commands into the action_value field, resulting in command execution with root privileges.