Dir-816 a2 firmware

This hub aggregates every CVE we track for Dir-816 a2 firmware, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Dir-816 a2 firmware.

• CVE-2025-44835D-Link DIR-816 A2V1.1.0B05 was found to contain a command injection in iptablesWebsFilterRun, which allows remote attackers to execute arbitrary commands via shell.6.3May 1, 2025
• CVE-2024-0921D-Link DIR-816 A2 Web Interface setDeviceSettings os command injection4.7Jan 26, 2024
• CVE-2023-43240D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter sip_address in ipportFilter.9.8Sep 21, 2023
• CVE-2023-43239D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter flag_5G in showMACfilterMAC.9.8Sep 21, 2023
• CVE-2023-43238D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter nvmacaddr in form2Dhcpip.cgi.9.8Sep 21, 2023
• CVE-2023-43237D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter macCloneMac in setMAC.9.8Sep 21, 2023
• CVE-2023-43236D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter statuscheckpppoeuser in dir_setWanWifi.9.8Sep 21, 2023
• CVE-2018-20305D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without authentication via the newpass parameter. In the /goform/form2userconfig.cgi handler function, a long password may l...9.8Dec 20, 2018
• CVE-2018-17068An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction in the handler function of the /goform/Diagnosis route. This could le...9.8Sep 15, 2018
• CVE-2018-17067An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. A very long password to /goform/formLogin could lead to a stack-based buffer overflow and overwrite the return address.9.8Sep 15, 2018
• CVE-2018-17066An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction in the handler function of the /goform/form2systime.cgi route. This c...9.8Sep 15, 2018
• CVE-2018-17065An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/DDNS route, a very long password could lead to a stack-based buffer overflow and overwrite ...9.8Sep 15, 2018
• CVE-2018-17064An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/sylogapply route. This cou...9.8Sep 15, 2018
• CVE-2018-17063An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/NTPSyncWithHost route. Thi...9.8Sep 15, 2018
• CVE-2018-11013Stack-based buffer overflow in the websRedirect function in GoAhead on D-Link DIR-816 A2 (CN) routers with firmware version 1.10B05 allows unauthenticated remote attackers to execute arbitrary code...9.8May 13, 2018