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Ac21 Firmware

ac21_firmware

Vendor: Tenda • 29 CVEs

CVEs (29)

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1Tenda
1Ac21 Firmware
Apr 3, 2026
Mar 23, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack...Show more
A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely. The exploit is now public and may be used.Show less
1Tenda
1Ac21 Firmware
Feb 10, 2026
Feb 8, 2026
5.5 MEDIUM· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A security vulnerability has been detected in Tenda AC21 16.03.08.16. Affected is an unknown function of the file /cgi-bin/DownloadFlash of the component Web Management Interface. The manipulation leads to information di...Show more
A security vulnerability has been detected in Tenda AC21 16.03.08.16. Affected is an unknown function of the file /cgi-bin/DownloadFlash of the component Web Management Interface. The manipulation leads to information disclosure. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.Show less
1Tenda
1Ac21 Firmware
Feb 10, 2026
Feb 8, 2026
5.5 MEDIUM· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
A weakness has been identified in Tenda AC21 16.03.08.16. This impacts an unknown function of the file /cgi-bin/DownloadLog of the component Web Management Interface. Executing a manipulation can lead to information disc...Show more
A weakness has been identified in Tenda AC21 16.03.08.16. This impacts an unknown function of the file /cgi-bin/DownloadLog of the component Web Management Interface. Executing a manipulation can lead to information disclosure. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.Show less
1Tenda
1Ac21 Firmware
Apr 29, 2026
Jan 30, 2026
2.1 LOW· v4
8.8 HIGH· v3
6.5 MEDIUM· v2
A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16. The impacted element is the function mDMZSetCfg of the file /goform/mDMZSetCfg. The manipulation of the argument dmzIp results in command inj...Show more
A security flaw has been discovered in Tenda AC21 1.1.1.1/1.dmzip/16.03.08.16. The impacted element is the function mDMZSetCfg of the file /goform/mDMZSetCfg. The manipulation of the argument dmzIp results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.Show less
1Tenda
1Ac21 Firmware
Feb 10, 2026
Jan 29, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploi...Show more
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.Show less
1Tenda
1Ac21 Firmware
Nov 21, 2025
Nov 20, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the deviceId parameter in /goform/saveParentControlInfo.
1Tenda
1Ac21 Firmware
Nov 21, 2025
Nov 20, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the urls parameter of /goform/saveParentControlInfo.
1Tenda
1Ac21 Firmware
Nov 21, 2025
Nov 20, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the rebootTime parameter of /goform/SetSysAutoRebbotCfg.
1Tenda
1Ac21 Firmware
Nov 21, 2025
Nov 20, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.
1Tenda
1Ac21 Firmware
Nov 21, 2025
Nov 20, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow in: /goform/SetVirtualServerCfg via the list parameter.
1Tenda
1Ac21 Firmware
Nov 21, 2025
Nov 20, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone/time leads to stack-based buffer overflow. Th...Show more
A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone/time leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.Show less
1Tenda
1Ac21 Firmware
Feb 24, 2026
Nov 20, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A flaw has been found in Tenda AC21 16.03.08.16. This affects an unknown part of the file /goform/SetIpMacBind. Executing a manipulation of the argument list can lead to stack-based buffer overflow. The attack can be exe...Show more
A flaw has been found in Tenda AC21 16.03.08.16. This affects an unknown part of the file /goform/SetIpMacBind. Executing a manipulation of the argument list can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.Show less
1Tenda
1Ac21 Firmware
Nov 5, 2025
Nov 3, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability was identified in Tenda AC21 16.03.08.16. This vulnerability affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument startIp leads to buffer overflow....Show more
A vulnerability was identified in Tenda AC21 16.03.08.16. This vulnerability affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument startIp leads to buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.Show less
1Tenda
1Ac21 Firmware
Oct 3, 2025
Sep 28, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer ov...Show more
A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be exploited.Show less
1Tenda
1Ac21 Firmware
Oct 3, 2025
Sep 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is p...Show more
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.Show less
1Tenda
2Ac21 Firmware
Ac23 Firmware
Sep 3, 2025
Aug 29, 2025
8.9 HIGH· v4
9.8 CRITICAL· v3
10.0 HIGH· v2
A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. Such manipulation of the argument mac leads to stack-...Show more
A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. Such manipulation of the argument mac leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.Show less
1Tenda
1Ac21 Firmware
Mar 25, 2025
Feb 21, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
A stack overflow vulnerability in Tenda AC21 with firmware version US_AC21V1.0re_V16.03.08.15_cn_TDC01 allows attackers to run arbitrary commands via crafted POST request to /goform/openSchedWifi.
1Tenda
1Ac21 Firmware
Apr 29, 2025
Nov 21, 2022
N/A· v4
7.5 HIGH· v3
N/A· v2
Tenda AC21 V16.03.08.15 is vulnerable to Buffer Overflow via function formSetMacFilterCfg.
1Tenda
1Ac21 Firmware
Apr 29, 2025
Nov 21, 2022
N/A· v4
7.5 HIGH· v3
N/A· v2
Tenda AC21 V16.03.08.15 is vulnerable to Buffer Overflow via function via set_device_name.
1Tenda
1Ac21 Firmware
Nov 21, 2024
Sep 19, 2022
N/A· v4
7.5 HIGH· v3
N/A· v2
Tenda AC21 V16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, function: fromSetWifiGusetBasic.