Vulnerabilities
Vulnerable Software
Tenda:  >> Ac21  Security Vulnerabilities
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.
CVSS Score
7.4
EPSS Score
0.004
Published
2025-11-20
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.
CVSS Score
7.4
EPSS Score
0.003
Published
2025-11-20
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.
CVSS Score
7.4
EPSS Score
0.002
Published
2025-11-03
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.
CVSS Score
7.4
EPSS Score
0.003
Published
2025-09-28
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.
CVSS Score
7.4
EPSS Score
0.004
Published
2025-09-23
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.
CVSS Score
8.9
EPSS Score
0.005
Published
2025-08-29
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.
CVSS Score
8.8
EPSS Score
0.001
Published
2024-02-21
Tenda AC21 V16.03.08.15 is vulnerable to Buffer Overflow via function via set_device_name.
CVSS Score
7.5
EPSS Score
0.004
Published
2022-11-21
Tenda AC21 V16.03.08.15 is vulnerable to Buffer Overflow via function formSetMacFilterCfg.
CVSS Score
7.5
EPSS Score
0.003
Published
2022-11-21
Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, function: formSetVirtualSer.
CVSS Score
7.5
EPSS Score
0.004
Published
2022-09-19


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