Ac6 Firmware Security Vulnerabilities - 2023

CVE-2021-40546

Tenda AC6 US_AC6V4.0RTL_V02.03.01.26_cn.bin allows attackers (who have the administrator password) to cause a denial of service (device crash) via a long string in the wifiPwd_5G parameter to /goform/setWifi.

CVE-2022-40010

Tenda AC6 AC1200 Smart Dual-Band WiFi Router 15.03.06.50_multi was discovered to contain a cross-site scripting (XSS) vulnerability via the deviceId parameter in the Parental Control module.

CVE-2023-26976

Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the ssid parameter in the form_fast_setting_wifi_set function.

CVE-2023-2923

A vulnerability classified as critical was found in Tenda AC6 US_AC6V1.0BR_V15.03.05.19. Affected by this vulnerability is the function fromDhcpListClient. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and ma...

CVE-2023-38823

Buffer Overflow vulnerability in Tenda Ac19 v.1.0, AC18, AC9 v.1.0, AC6 v.2.0 and v.1.0 allows a remote attacker to execute arbitrary code via the formSetCfm function in bin/httpd.

CVE-2023-38931

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0 V15.03.06.28, AC10 v4.0 V16.03.10.13 and FH1203 V2.0.1.6 were discovered to contain a stack overflow via the list parameter in the setaccount function.

CVE-2023-38933

Tenda AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, F1203 V2.0.1.6, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6 and AC9 V3.0 V15.03.06.42_multi, and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the deviceId parameter in the formSetClientState function.

CVE-2023-38936

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, FH1203 V2.0.1.6, AC9 V3.0 V15.03.06.42_multi and FH1205 V2.0.0.7(775) were discovered to contain a stack overflow via the speed_dir parameter in the formSetSpeedWan function.

CVE-2023-38937

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28, AC9 V3.0 V15.03.06.42_multi and AC10 v4.0 V16.03.10.13 were discovered to contain a stack overflow via the list parameter in the formSetVirtualSer function.

CVE-2023-39670

Tenda AC6 _US_AC6V1.0BR_V15.03.05.16 was discovered to contain a buffer overflow via the function fgets.

CVE-2023-40830

Tenda AC6 v15.03.05.19 is vulnerable to Buffer Overflow as the Index parameter does not verify the length.

CVE-2023-40837

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADD50' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered passing these two fields as parameters to the "sub_ADD50" function to execute commands.

CVE-2023-40838

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_3A1D0' contains a command execution vulnerability.

CVE-2023-40839

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADF3C' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered passing these two fields as parameters to the "sub_ADF3C" function to execute commands.

CVE-2023-40840

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "fromGetWirelessRepeat."

CVE-2023-40841

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "add_white_node,"

CVE-2023-40842

Tengda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "R7WebsSecurityHandler."

CVE-2023-40843

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "sub_73004."

CVE-2023-40844

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function 'formWifiBasicSet.'

CVE-2023-40845

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function 'sub_34FD0.' In the function, it reads user provided parameters and passes variables to the function without any length checks.

CVE-2023-40846

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function sub_90998.

CVE-2023-40847

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via the function "initIpAddrInfo." In the function, it reads in a user-provided parameter, and the variable is passed to the function without any length check.

CVE-2023-40848

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via the function "sub_7D858."