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
- 7.5 High severity
W6-s Firmware: Missing Authentication for Critical Functionality
An issue in the component tpi_systool_handle(0) (/goform/SysToolReboot) of Tenda W6-S v1.0.0.4(510) allows unauthenticated attackers to arbitrarily reboot the device.
- 7.5 High severity
W15e Firmware: Out-of-bounds Write
Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a stack overflow via the setWanPpoe function. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.
- 9.8 Critical severity
W15e Firmware: Out-of-bounds Write
Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a stack overflow via the setRemoteWebManage function. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.
- 7.8 High severity
W15e Firmware: Improper Neutralization of Special Elements used in an OS Command
Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a command injection vulnerability via the PortMappingServer parameter in the setPortMapping function.
- 7.8 High severity
W15e Firmware: Improper Neutralization of Special Elements used in an OS Command
Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain multiple command injection vulnerabilities in the function setIPsecTunnelList via the IPsecLocalNet and IPsecRemoteNet parameters.
- 7.8 High severity
W15e Firmware: Improper Neutralization of Special Elements used in an OS Command
Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) was discovered to contain a command injection vulnerability via the dmzHost parameter in the setDMZ function.
- 7.8 High severity
W15e Firmware: Improper Neutralization of Special Elements used in an OS Command
In Tenda AC1200 Router model W15Ev2 V15.11.0.10(1576), there exists a command injection vulnerability in the function formSetFixTools. This vulnerability allows attackers to run arbitrary commands on the server via the hostname parameter.
- 9.8 Critical severity
Ax1803 Firmware: Out-of-bounds Write
In Tenda ax1803 v1.0.0.1, the http requests handled by the fromAdvSetMacMtuWan functions, wanSpeed, cloneType, mac, can cause a stack overflow and enable remote code execution (RCE).
- 7.5 High severity
Ax1803 Firmware: Out-of-bounds Write
Tenda AX1803 v1.0.0.1 was discovered to contain a heap overflow vulnerability in the GetParentControlInfo function, which can cause a denial of service attack through a carefully constructed http request.
- 7.5 High severity
Ac6 Firmware: Buffer Copy without Checking Size of Input
Tenda AC1200 US_AC6V2.0RTL_V15.03.06.51_multi_TDE01 was discovered to contain a buffer overflow in the 0x47ce00 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ap500v1 Firmware: Buffer Copy without Checking Size of Input
Tenda AC1900 AP500(US)_V1_180320(Beta) was discovered to contain a buffer overflow in the 0x32384 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ac6v2.0 Firmware: Buffer Copy without Checking Size of Input
Tenda AC1200 US_AC6V2.0RTL_V15.03.06.51_multi_TDE01 was discovered to contain a buffer overflow in the 0x4a12cc function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ac6v2.0 Firmware: Buffer Copy without Checking Size of Input
Tenda AC1200 US_AC6V2.0RTL_V15.03.06.51_multi_TDE01 was discovered to contain a buffer overflow in the 0x47c5dc function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ac6v2.0 Firmware: Buffer Copy without Checking Size of Input
Tenda AC1200 US_AC6V2.0RTL_V15.03.06.51_multi_TDE01 was discovered to contain a buffer overflow in the 0x47de1c function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ac6v2.0 Firmware: Buffer Copy without Checking Size of Input
Tenda AC1200 US_AC6V2.0RTL_V15.03.06.51_multi_TDE01 was discovered to contain a buffer overflow in the 0x475dc function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
I9 Firmware: Out-of-bounds Write
Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formexeCommand function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.
- 7.5 High severity
I9 Firmware: Out-of-bounds Write
Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the set_local_time function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.
- 7.5 High severity
I9 Firmware: Out-of-bounds Write
Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formWifiMacFilterGet function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.
- 7.5 High severity
I9 Firmware: Out-of-bounds Write
Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formwrlSSIDget function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.
- 7.5 High severity
I9 Firmware: Out-of-bounds Write
Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formwrlSSIDset function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.
- 7.5 High severity
I9 Firmware: Out-of-bounds Write
Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formWifiMacFilterSet function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formDelDhcpRule with the request /goform/delDhcpRules/
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formIPMacBindDel with the request /goform/delIpMacBind/
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formSetDebugCfg with request /goform/setDebugCfg/
- 7.2 High severity
Ac18 Firmware: Out-of-bounds Write
Tenda AC18 router V15.03.05.19 contains a stack overflow vulnerability in the formSetQosBand->FUN_0007db78 function with the request /goform/SetNetControlList/
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 contains a stack overflow in the function formSetPortMapping with post request 'goform/setPortMapping/'. This vulnerability allows attackers to cause a Denial of Service (DoS) or Remote Code Execution (RCE) via the portMappingServe
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow in the function formDelPushedAd. This vulnerability allows attackers to cause a Denial of Service (DoS) via the adPushUID parameter.
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formSetFixTools. This vulnerability allows attackers to cause a Denial of Service (DoS) via the hostname parameter.
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a stack overflow vulnerability in the function formSetAdConfigInfo. This vulnerability allows attackers to cause a Denial of Service (DoS) via the authIPs parameter.
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailname parameter.
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailpwd parameter.
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a buffer overflow vulnerability in the function formSetPicListItem. This vulnerability allows attackers to cause a Denial of Service (DoS) via the adItemUID parameter.
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formSetFixTools. This vulnerability allows attackers to cause a Denial of Service (DoS) via the MACAddr parameter.
- 7.5 High severity
M3 Firmware: Out-of-bounds Write
Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formSetFixTools. This vulnerability allows attackers to cause a Denial of Service (DoS) via the lan parameter.
- 9.8 Critical severity
Ac1206 Firmware: Out-of-bounds Write
Tenda AC1206 V15.03.06.23 was discovered to contain multiple stack overflows via the deviceMac and the device_id parameters in the function addWifiMacFilter.
- 7.5 High severity
W6 Firmware: Out-of-bounds Write
A stack overflow vulnerability exists in /goform/WifiMacFilterSet in Tenda W6 V1.0.0.9(4122) version, which can be exploited by attackers to cause a denial of service (DoS) via the index parameter.
- 7.5 High severity
W6 Firmware: Out-of-bounds Write
A stack overflow vulnerability exists in /goform/wifiSSIDset in Tenda W6 V1.0.0.9(4122) version, which can be exploited by attackers to cause a denial of service (DoS) via the index parameter.
- 9.8 Critical severity
W6 Firmware: Out-of-bounds Write
A stack overflow vulnerability exists in /goform/setAutoPing in Tenda W6 V1.0.0.9(4122), which allows an attacker to construct ping1 parameters and ping2 parameters for a stack overflow attack. An attacker can use this vulnerability to execute arbitrary code e
- 7.5 High severity
W6 Firmware: Out-of-bounds Write
A stack overflow vulnerability exists in /goform/WifiMacFilterGet in Tenda W6 V1.0.0.9(4122) version, which can be exploited by attackers to cause a denial of service (DoS) via the index parameter.
- 7.5 High severity
W6 Firmware: Out-of-bounds Write
A stack overflow vulnerability exists in /goform/wifiSSIDget in Tenda W6 V1.0.0.9(4122) version, which can be exploited by attackers to cause a denial of service (DoS) via the index parameter.