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Product · Tenda

AC20

20 known vulnerabilities.

AC20 at a glance

Last 12 months
5
Critical · all time
0
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 3 5 December 2025: 4 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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20 results · Feed

  • High 8.8

    Tenda AC20 PowerSaveSet sscanf buffer overflow

    A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack …

  • High 8.8

    Tenda AC20 openSchedWifi httpd buffer overflow

    A weakness has been identified in Tenda AC20 16.03.08.12. This affects the function httpd of the file /goform/openSchedWifi. Executing a manipulation of the argument schedStartTime/schedEndTime can lead to buffer overflow. The attack may be performed from rem…

  • High 8.8

    Tenda AC20 httpd SetSysAutoRebbotCfg formSetRebootTimer stack-based overflow

    A security flaw has been discovered in Tenda AC20 16.03.08.12. The impacted element is the function formSetRebootTimer of the file /goform/SetSysAutoRebbotCfg of the component httpd. Performing a manipulation of the argument rebootTime results in stack-based …

  • High 8.8

    Tenda AC20 httpd setPptpUserList formSetPPTPUserList stack-based overflow

    A vulnerability was identified in Tenda AC20 16.03.08.12. The affected element is the function formSetPPTPUserList of the file /goform/setPptpUserList of the component httpd. Such manipulation of the argument list leads to stack-based buffer overflow. The att…

  • High 8.8

    Tenda AC20 WifiExtraSet buffer overflow

    A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is an unknown function of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto results in buffer overflow. The attack can be launched remotely. The exp…

  • High 8.8

    Tenda AC20 fast_setting_wifi_set sscanf buffer overflow

    A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The affected element is the function sscanf of the file /goform/fast_setting_wifi_set. The manipulation of the argument timeZone leads to buffer overflow. The attack can be initiated remotely. Th…

  • High 8.8

    Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow

    A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. …

  • High 8.8

    Tenda AC20 GetParentControlInfo strcpy buffer overflow

    A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is the function strcpy of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in buffer overflow. The attack may be performed from remote. The e…

  • High 8.8

    Tenda AC20 fromAdvSetMacMtuWan stack-based overflow

    A weakness has been identified in Tenda AC20 16.03.08.05. This vulnerability affects unknown code of the file /goform/fromAdvSetMacMtuWan. This manipulation of the argument wanMTU causes stack-based buffer overflow. Remote exploitation of the attack is possib…

  • Low 2.5

    Tenda AC20 shadow hard-coded credentials

    A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The …

  • Medium 6.3
    CVE-2025-9090 Public exploit EPSS 17%

    Tenda AC20 Telnet Service telnet websFormDefine command injection

    A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploi…

  • High 8.8

    Tenda AC20 SetIpMacBind sub_48E628 stack-based overflow

    A vulnerability was determined in Tenda AC20 16.03.08.12. This issue affects the function sub_48E628 of the file /goform/SetIpMacBind. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be initiated remotely. The exploi…

  • High 8.8

    Tenda AC20 formSetVirtualSer save_virtualser_data stack-based overflow

    A vulnerability was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be initiated re…

  • High 8.8

    Tenda AC20 SetNetControlList Endpoint set_qosMib_list stack-based overflow

    A vulnerability has been found in Tenda AC20 16.03.08.12. This affects the function set_qosMib_list of the file /goform/SetNetControlList of the component SetNetControlList Endpoint. The manipulation of the argument list leads to stack-based buffer overflow. …

  • High 8.8

    Tenda AC20 setMacFilterCfg sub_46A2AC stack-based overflow

    A vulnerability was identified in Tenda AC20 16.03.08.12. This issue affects the function sub_46A2AC of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based buffer overflow. The attack may be initiated remotely. T…

  • High 8.8

    Tenda AC20 saveParentControlInfo strcpy buffer overflow

    A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this vulnerability is the function strcpy of the file /goform/saveParentControlInfo. The manipulation of the argument Time leads to buffer overflow. The attack can be launched remotel…

  • High 8.8

    Tenda AC20 WifiGuestSet buffer overflow

    A vulnerability was determined in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/WifiGuestSet. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit h…

  • High 8.8

    Tenda AC20 SetFirewallCfg strcpy stack-based overflow

    A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack …

  • High 8.8

    Tenda AC20 httpd SetSysTimeCfg buffer overflow

    A vulnerability classified as critical has been found in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/SetSysTimeCfg of the component httpd. The manipulation of the argument timeZone leads to buffer overflow. It is possible…

  • High 8.8

    Tenda AC20 SetStaticRouteCfg stack-based overflow

    A vulnerability was found in Tenda AC20 16.03.08.05. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overflow…