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Product · Trendnet

TEW-821DAP

14 known vulnerabilities.

TEW-821DAP at a glance

Last 12 months
14
Critical · all time
1
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 5 10 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 6 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 5 vulnerabilities August 2026: 3 vulnerabilities, 1 critical September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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14 results · Feed

  • Critical 10.0

    TRENDnet TEW-821DAP NTP Timezone Configuration apply_time.cgi uci_safe_get stack-based overflow

    A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function uci_safe_get of the file /cgi-bin/apply_time.cgi of the component NTP Timezone Configuration Handler. Executing a manipulation of the argument syst…

  • High 7.4

    TRENDnet TEW-821DAP ssi upload.cgi command injection

    A vulnerability was found in TRENDnet TEW-821DAP 2.2.01b05. Affected is an unknown function of the file /cgi-bin/upload.cgi of the component ssi. Performing a manipulation of the argument filename results in command injection. The attack may be initiated remo…

  • High 7.4

    TRENDnet TEW-821DAP ssi ping.cgi system command injection

    A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected is the function popen/system of the file /cgi-bin/ping.cgi of the component ssi. Executing a manipulation of the argument ipaddr can lead to command injection. It is possible to launch …

  • Medium 6.3

    TRENDnet TEW-821DAP Firmware Update system_ntp sub_41FBD0 os command injection

    A vulnerability was found in TRENDnet TEW-821DAP 1.11B03. This impacts the function sub_41FBD0 of the file /goform/system_ntp of the component Firmware Update Handler. Performing a manipulation of the argument Hostname results in os command injection. The att…

  • Medium 6.3

    TRENDnet TEW-821DAP Firmware Update tools_ddns sub_42026C os command injection

    A vulnerability has been found in TRENDnet TEW-821DAP 1.11B03. This affects the function sub_42026C of the file /goform/tools_ddns of the component Firmware Update Handler. Such manipulation of the argument hostname/username/password leads to os command injec…

  • Medium 6.3

    TRENDnet TEW-821DAP DNS Lookup tools_nslookup sub_43F2C4 os command injection

    A flaw has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub_43F2C4 of the file /goform/tools_nslookup of the component DNS Lookup Handler. This manipulation of the argument nslookup_target/dns_server causes os command inject…

  • High 8.8

    TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow

    A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation results in buffer overflow. It is possible to launch the attack remotely. Th…

  • High 8.8

    TRENDnet TEW-821DAP ssi tools_nslookup sub_41EC14 buffer overflow

    A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible t…

  • Low 3.7

    TRENDnet TEW-821DAP Firmware Update cameo_dev.sh platform_do_upgrade_cameo_dev data authenticity

    A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B01. This impacts the function platform_do_upgrade_cameo_dev of the file cameo_dev.sh of the component Firmware Update Handler. Performing a manipulation results in insufficient verification of data a…

  • Low 3.7

    TRENDnet TEW-821DAP Firmware Update ssi cleartext transmission

    A vulnerability has been found in TRENDnet TEW-821DAP 1.12B01. This affects an unknown function of the file /www/cgi/ssi of the component Firmware Update. Such manipulation leads to cleartext transmission of sensitive information. The attack can be executed r…

  • Medium 6.3

    TRENDnet TEW-821DAP Firmware Udpate diagnostic tools_diagnostic os command injection

    A flaw has been found in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic of the file /tmp/diagnostic of the component Firmware Udpate. This manipulation causes os command injection. Remote exploitation of the attack is…

  • Medium 5.5

    TRENDnet TEW-821DAP tools_diagnostic os command injection

    A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function tools_diagnostic. The manipulation results in os command injection. The exploit is now public and may be used. The vendor explains: "That firmware version …

  • High 8.8

    TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow

    A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. The…

  • Low 3.7

    TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity

    A weakness has been identified in TRENDnet TEW-821DAP 1.12B01. This issue affects the function find_hwid/new_gui_update_firmware of the component Firmware Update Handler. Executing a manipulation of the argument dest can lead to insufficient verification of d…