Tenda vulnerabilities
We track 1,180 vulnerabilities in Tenda products across 60+ products. 1,180 are rated high or critical, and 3 have been exploited in real attacks. The most recent was published on November 14, 2026.
Latest Tenda vulnerabilities
- 9.8 Critical severity
WH450: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was determined in Tenda WH450 1.0.0.18. This impacts an unknown function of the file /goform/CheckTools of the component HTTP Request Handler. Executing a manipulation of the argument ipaddress can lead to command injection. The attack can be l
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda WH450 1.0.0.18. This affects an unknown function of the file /goform/PPTPDClient of the component HTTP Request Handler. Performing a manipulation of the argument Username results in stack-based buffer overflow. The attack can
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda WH450 1.0.0.18. The impacted element is an unknown function of the file /goform/PPTPClient of the component HTTP Request Handler. Such manipulation of the argument netmsk leads to stack-based buffer overflow. It is possi
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda WH450 1.0.0.18. The affected element is an unknown function of the file /goform/Natlimit of the component HTTP Request Handler. This manipulation of the argument page causes stack-based buffer overflow. It is possible to initiate
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Tenda WH450 1.0.0.18. Impacted is an unknown function of the file /goform/NatStaticSetting. The manipulation of the argument page results in stack-based buffer overflow. The attack may be performed from remote. The exploit is no
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda WH450 1.0.0.18. This issue affects some unknown processing of the file /goform/SafeUrlFilter. The manipulation of the argument page leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Tenda WH450 1.0.0.18. This affects an unknown part of the file /goform/L7Port of the component HTTP Request Handler. Performing a manipulation of the argument page results in stack-based buffer overflow. The attack may be initia
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda WH450 1.0.0.18. Affected by this issue is some unknown functionality of the file /goform/L7Im of the component HTTP Request Handler. Such manipulation of the argument page leads to stack-based buffer overflow
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda WH450 1.0.0.18. Affected by this vulnerability is an unknown functionality of the file /goform/CheckTools of the component HTTP Request Handler. This manipulation of the argument ipaddress causes stack-based buffer overf
- 8.8 High severity
FH1201: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda FH1201 1.2.0.14(408). Affected is the function sprintf of the file /goform/SetIpBind. Such manipulation of the argument page leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has
- 8.8 High severity
FH1201: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda FH1201 and FH1206 1.2.0.14(408)/1.2.0.8(8155). This impacts the function strcat of the file /goform/webtypelibrary of the component HTTP Request Handler. This manipulation of the argument webSiteId causes stack-based buffer overf
- 8.8 High severity
AC18: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Tenda AC18 15.03.05.05. This affects the function sprintf of the file /goform/SetDlnaCfg of the component HTTP Request Handler. The manipulation of the argument scanList results in stack-based buffer overflow. The attack can be
- 8.8 High severity
AC18: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda AC18 15.03.05.05. The impacted element is the function strcpy of the file /goform/GetParentControlInfo of the component HTTP Request Handler. The manipulation of the argument mac leads to stack-based buffer o
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda WH450 1.0.0.18. Affected is an unknown function of the file /goform/onSSIDChange of the component HTTP Request Handler. This manipulation of the argument ssid_index causes stack-based buffer overflow. It is possible to i
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda WH450 1.0.0.18. This impacts an unknown function of the file /goform/wirelessRestart of the component HTTP Request Handler. The manipulation of the argument GO results in stack-based buffer overflow. The attack may
- 9.8 Critical severity
Ac10 Firmware: Buffer Copy without Checking Size of Input
A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a crafted payload (field `serviceName`) to
- 9.8 Critical severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda WH450 1.0.0.18. Impacted is an unknown function of the file /goform/DhcpListClient of the component HTTP Request Handler. The manipulation of the argument page results in stack-based buffer overflow. The attack can
- 8.8 High severity
AC20: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 remo
- 8.8 High severity
AC20: Out-of-bounds Write
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 b
- 8.8 High severity
AC20: Out-of-bounds Write
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 atta
- 8.8 High severity
CH22: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda CH22 1.0.0.1. This affects the function frmL7ImForm of the file /goform/L7Im. Performing a manipulation of the argument page results in buffer overflow. Remote exploitation of the attack is possible. The exploit has
- 7.5 High severity
AC9: Exposure of Sensitive Information to an Unauthorized Actor
A vulnerability was determined in Tenda AC9 15.03.05.14_multi. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/DownloadCfg.jpg of the component Configuration File Handler. This manipulation causes information disclosure. The att
- 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
CH22: Buffer Copy without Checking Size of Input
A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit
- 8.8 High severity
CH22: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda CH22 1.0.0.1. This impacts the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to buffer overflow. The attack is possible to be carried out remot
- 8.8 High severity
AC20: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 expl
- 9.8 Critical severity
Ac15 Firmware: Improper Access Control
Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and uses a short, low-entropy suffix as the session identifier. An attacker with network access or the ability to run JS in a victim browser can
- 7.5 High severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the urls parameter of the get_parentControl_list_Info function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 8.8 High severity
Ac18 Firmware: Out-of-bounds Write
A stack-based buffer overflow vulnerability was discovered in Tenda AC18 v15.03.05.05_multi. The vulnerability exists in the guestSsid parameter of the /goform/WifiGuestSet interface. Remote attackers can exploit this vulnerability by sending oversized data to
- 7.5 High severity
Ax1803 Firmware: Out-of-bounds Write
Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the wanMTU parameter in the sub_4F55C function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1803 Firmware: Out-of-bounds Write
Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow via the time parameter in the SetSysTimeCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX-3 v16.03.12.10_CN was discovered to contain a stack overflow via the shareSpeed parameter in the fromSetWifiGusetBasic function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax3 Firmware: Out-of-bounds Write
Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the deviceId parameter of the saveParentControlInfo function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the wpapsk_crypto parameter of the wlSetExternParameter function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 9.8 Critical severity
AC10: Buffer Copy without Checking Size of Input
A vulnerability was determined in Tenda AC10 16.03.10.13. Affected by this vulnerability is the function formSysRunCmd of the file /goform/SysRunCmd. This manipulation of the argument getui causes buffer overflow. The attack may be initiated remotely. The expl
- 9.8 Critical severity
A15: Buffer Copy without Checking Size of Input
A vulnerability was found in Tenda A15 15.13.07.13. Affected is the function fromSetWirelessRepeat of the file /goform/openNetworkGateway. The manipulation of the argument wpapsk_crypto2_4g results in buffer overflow. The attack can be launched remotely. The e
- 9.8 Critical severity
AC8: Buffer Copy without Checking Size of Input
A vulnerability has been found in Tenda AC8 16.03.34.06. This impacts an unknown function of the file /goform/DatabaseIniSet. The manipulation of the argument Time leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed t
- 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
- 9.8 Critical severity
AC23: Buffer Copy without Checking Size of Input
A security vulnerability has been detected in Tenda AC23 16.03.07.52. Affected is the function saveParentControlInfo of the file /goform/saveParentControlInfo. Such manipulation of the argument Time leads to buffer overflow. It is possible to launch the attack