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

An issue was discovered on D-Link DCS-1100 and DCS-1130 devices. The device has a custom binary called mp4ts under the /var/www/video folder. It seems that this binary dumps the HTTP VERB in the system logs. As a part of doing that it retrieves the HTTP VERB sent by the user and uses a vulnerable sprintf function at address 0x0000C3D4 in the function sub_C210 to copy the value into a string and then into a log file. Since there is no bounds check being performed on the environment variable at address 0x0000C360 this results in a stack overflow and overwrites the PC register allowing an attacker to execute buffer overflow or even a command injection attack.

An issue was discovered on D-Link DCS-1100 and DCS-1130 devices. The device requires that a user logging into the device provide a username and password. However, the device allows D-Link apps on the mobile devices and desktop to communicate with the device without any authentication. As a part of that communication, the device uses custom version of base64 encoding to pass data back and forth between the apps and the device. However, the same form of communication can be initiated by any process including an attacker process on the mobile phone or the desktop and this allows a third party to retrieve the device's password without any authentication by sending just 1 UDP packet with custom base64 encoding. The severity of this attack is enlarged by the fact that there more than 100,000 D-Link devices out there.

D-Link DVG-3104MS version 1.0.2.0.3, 1.0.2.0.4, and 1.0.2.0.4E 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. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

A command injection vulnerability exists in the cgibin binary in DIR-845L router firmware <= v1.01KRb03.

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.

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369.

D-Link G416 flupl self Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link G416 wireless routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP service listening on TCP port 80. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21294.

D-Link DIR_823G 1.0.2B05 was discovered to contain a command injection vulnerability via the Address parameter in the SetNetworkTomographySettings function. This vulnerability allows attackers to execute arbitrary OS commands via a crafted request.

D-Link DSL6740C v6.TR069.20211230 was discovered to use insecure default credentials for Administrator access, possibly allowing attackers to bypass authentication and escalate privileges on the device via a bruteforce attack.

D-Link DI_8004W 16.07.26A1 contains a command execution vulnerability in the jhttpd upgrade_filter_asp function.

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 function of upgrade_filter.asp.

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.

Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the "admin" user, UID 0).

D-Link DIR-822+ V1.0.5 was found to contain a command injection in ChgSambaUserSettings function of prog.cgi, which allows remote attackers to execute arbitrary commands via shell.

D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings.

D-Link DIR-605L firmware version 1.17B01 BETA is vulnerable to stack overflow via /goform/formTcpipSetup,

D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_498308 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_478360 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_48d630 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the FILECODE parameter at /goform/formLogin.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the wan_connected parameter at /goform/formEasySetupWizard3.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the curTime parameter at /goform/formSetACLFilter.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the curTime parameter at /goform/formSetWanDhcpplus.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the config.smtp_email_subject parameter at /goform/formSetEmail.

D-Link DIR878 DIR_878_FW120B05 was discovered to contain a stack overflow in the sub_495220 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the webpage parameter at /goform/formWPS.

D-Link DIR878 DIR_878_FW120B05 was discovered to contain a stack overflow in the sub_48AF78 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

Buffer Overflow vulnerability in D-Link DIR-605L, hardware version AX, firmware version 1.17beta and below, allows authorized attackers execute arbitrary code via sending crafted data to the webserver service program.

D-Link DIR878 DIR_878_FW120B05 was discovered to contain a stack overflow in the sub_475FB0 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the webpage parameter at /goform/formSetWanDhcpplus.

A buffer overflow vulnerability in /bin/boa on D-Link DIR-619L Rev.B 2.06B1 via formTcpipSetup allows remote authenticated users to trigger a denial of service (DoS) through the parameter "curTime."

A heap overflow vulnerability in D-Link DIR820LA1_FW106B02 allows attackers to cause a denial of service via the config.log_to_syslog and log_opt_dropPackets parameters to mydlink_api.ccp.

D-Link DIR882 DIR882A1_FW110B02 was discovered to contain a stack overflow in the sub_48AC20 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the webpage parameter at /goform/formWlanGuestSetup.

A stack overflow vulnerability in D-Link DIR820LA1_FW106B02 allows attackers to cause a denial of service via the reserveDHCP_HostName_1.1.1.0 parameter to lan.asp.

D-Link N300 WI-FI Router DIR-605L v2.13B01 was discovered to contain a stack overflow via the curTime parameter at /goform/formSetRoute.

A stack overflow vulnerability exists in pingV4Msg component in D-Link DIR820LA1_FW105B03, allows attackers to cause a denial of service via the nextPage parameter to ping.ccp.

D-Link DIR-619L 2.06B01 is vulnerable to Buffer Overflow in the formWlanSetup function via the parameter f_wds_wepKey.

An issue was discovered in apply.cgi on D-Link DAP-1520 devices before 1.10b04Beta02. Whenever a user performs a login action from the web interface, the request values are being forwarded to the ssi binary. On the login page, the web interface restricts the password input field to a fixed length of 15 characters. The problem is that validation is being done on the client side, hence it can be bypassed. When an attacker manages to intercept the login request (POST based) and tampers with the vulnerable parameter (log_pass), to a larger length, the request will be forwarded to the webserver. This results in a stack-based buffer overflow. A few other POST variables, (transferred as part of the login request) are also vulnerable: html_response_page and log_user.

D-Link DIR-882 DIR882A1_FW130B06, DIR-878 DIR_878_FW1.30B08 was discovered to contain a stack overflow via the Password parameter in the SetWan3Settings module.

D-Link DIR-882 DIR882A1_FW130B06, DIR-878 DIR_878_FW1.30B08 was discovered to contain a stack overflow via the Key parameter in the SetWLanRadioSecurity module.

D-Link DIR-882 DIR882A1_FW130B06, DIR-878 DIR_878_FW1.30B08 was discovered to contain a stack overflow via the PSK parameter in the SetQuickVPNSettings module.

D-Link DIR-882 DIR882A1_FW130B06, DIR-878 DIR_878_FW1.30B08 was discovered to contain a stack overflow via the Password parameter in the SetQuickVPNSettings module.

D-Link DIR 645A1 1.06B01_Beta01 was discovered to contain a stack overflow via the service= variable in the genacgi_main function.

D-Link DIR-882 DIR882A1_FW130B06, DIR-878 DIR_878_FW1.30B08 was discovered to contain a stack overflow via the Password parameter in the SetDynamicDNSSettings module.

D-Link DIR-882 DIR882A1_FW130B06, DIR-878 DIR_878_FW1.30B08 was discovered to contain a stack overflow via the AccountPassword parameter in the SetSysEmailSettings module.

D-Link DIR-882 1.10B02 and 1.20B06 is vulnerable to Buffer Overflow via webGetVarString.

D-Link DIR878 1.02B04 and 1.02B05 are vulnerable to Buffer Overflow.