Ac21 Firmware vulnerabilities
11 known vulnerabilities in Ac21 Firmware from Tenda. 11 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 8.8 High severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
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
- 7.5 High severity
AC21: Exposure of Sensitive Information to an Unauthorized Actor
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
- 8.8 High severity
AC21: Improper Neutralization of Special Elements used in a Command
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 remot
- 8.8 High severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 ex
- 9.8 Critical severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 r
- 9.8 Critical severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 pub
- 9.8 Critical severity
AC21: Buffer Copy without Checking Size of Input
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 po
- 8.8 High severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 remot
- 8.8 High severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
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.
- 9.8 Critical severity
AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer
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
- 8.8 High severity
ac21_firmware: Improper Control of Generation of Code
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.