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
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serverName parameter of the sub_65A28 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Stack-based Buffer Overflow
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serviceName parameter of the sub_65A28 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 AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the wanMTU2 parameter of the fromAdvSetMacMtuWan 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 AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the wanSpeed2 parameter of the fromAdvSetMacMtuWan 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 AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the cloneType2 parameter of the fromAdvSetMacMtuWan 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 AX-3 v16.03.12.10_CN was discovered to contain a stack overflow in the serviceName2 parameter of the fromAdvSetMacMtuWan 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 in the mac2 parameter of the fromAdvSetMacMtuWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 7.5 High severity
Ax1806 Firmware: Out-of-bounds Write
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the security_5g parameter of the sub_4CA50 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
- 8.8 High severity
300Mbps Wireless Router F3 and N300 Easy Setup…: Session Fixation
This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the use of login credentials as the session ID through its web-based administrative interface. A remote attacker could exploit this vulnerability
- 8.8 High severity
300Mbps Wireless Router F3 and N300 Easy Setup…: Sensitive Cookie Without 'HttpOnly' Flag
This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the missing HTTPOnly flag for session cookies associated with the web-based administrative interface. A remote at-tacker could exploit this vulne
- 8.7 High severity
300Mbps Wireless Router F3 and N300 Easy Setup…: Cleartext Transmission of Sensitive Information
This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the transmission of credentials encoded using reversible Base64 encoding through the web-based administrative interface. An attacker on the same
- 8.7 High severity
300Mbps Wireless Router F3 and N300 Easy Setup…: Cleartext Transmission of Sensitive Information
This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the plaintext transmission of login credentials during the initial login or post-factory reset setup through the web-based administrative interfa
- 9.8 Critical severity
AC23: Buffer Copy without Checking Size of Input
A weakness has been identified in Tenda AC23 16.03.07.52. This affects the function sscanf of the file /goform/PowerSaveSet. Executing a manipulation of the argument Time can lead to buffer overflow. The attack can be launched remotely. The exploit has been ma
- 9.8 Critical severity
AC1206: Improper Neutralization of Special Elements used in a Command
A vulnerability was determined in Tenda AC1206 15.03.06.23. Affected by this issue is the function formBehaviorManager of the file /goform/BehaviorManager of the component httpd. Executing a manipulation of the argument modulename/option/data/switch can lead t
- 7.8 High severity
i24: Use of Hard-coded Password
A vulnerability has been found in Tenda i24, 4G03 Pro, 4G05, 4G08, G0-8G-PoE, Nova MW5G and TEG5328F up to 65.10.15.6. Affected is an unknown function of the component Shadow File. Such manipulation with the input Fireitup leads to hard-coded credentials. An a
- 8.8 High severity
AC20: Buffer Copy without Checking Size of Input
A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack c
- 9.8 Critical severity
W6-S: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda W6-S 1.0.0.4(510). This impacts an unknown function of the file /bin/httpd of the component R7websSsecurityHandler. Executing a manipulation of the argument Cookie can lead to stack-based buffer overflow. The attack may
- 8.8 High severity
W6-S: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in Tenda W6-S 1.0.0.4(510). This affects the function TendaAte of the file /goform/ate of the component ATE Service. Performing a manipulation results in os command injection. The attack may be initiated remotely. The exploit has been
- 8.8 High severity
M3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda M3 1.0.0.13(4903). The impacted element is an unknown function of the file /goform/exeCommand. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be launched remotely. The exp
- 8.8 High severity
M3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda M3 1.0.0.13(4903). The affected element is the function formSetRemoteDhcpForAp of the file /goform/setDhcpAP. This manipulation of the argument startip/endip/leasetime/gateway/dns1/dns2 causes stack-based buffer overflow. The att
- 8.8 High severity
M3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda M3 1.0.0.13(4903). Impacted is the function formSetRemoteInternetLanInfo of the file /goform/setInternetLanInfo. This manipulation of the argument portIp/portMask/portGateWay/portDns/portSecDns causes heap-based buffer o
- 8.8 High severity
M3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda M3 1.0.0.13(4903). This issue affects the function formSetAdInfoDetails of the file /goform/setAdInfoDetail. The manipulation of the argument adName/smsPassword/smsAccount/weixinAccount/weixinName/smsSignature/adRed
- 8.8 High severity
M3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda M3 1.0.0.13(4903). This vulnerability affects the function formSetAdPushInfo of the file /goform/setAdPushInfo. The manipulation of the argument mac/terminal leads to stack-based buffer overflow. The attack is possible t
- 8.8 High severity
M3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda M3 1.0.0.13(4903). This affects the function formSetRemoteVlanInfo of the file /goform/setVlanInfo. Executing a manipulation of the argument ID/vlan/port can lead to stack-based buffer overflow. The attack can be execute
- 8.8 High severity
M3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda M3 1.0.0.13(4903). Affected by this issue is the function formSetVlanPolicy of the file /goform/setVlanPolicyData. Performing a manipulation of the argument qvlan_truck_port results in heap-based buffer overflow. Remote explo
- 7.5 High severity
CH22: Improper Resource Shutdown or Release
A vulnerability has been found in Tenda CH22 up to 1.0.0.1. Affected by this vulnerability is the function fromDhcpListClient of the file /goform/DhcpListClient. Such manipulation of the argument LISTLEN leads to denial of service. The attack may be launched r
- 8.8 High severity
AC10U: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Parameter Handler. Executing a manipulation of the argument lanM
- 8.8 High severity
AC23: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda AC23 16.03.07.52. Affected is the function formSetPPTPUserList of the component HTTP POST Request Handler. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remot
- 8.8 High severity
AC23: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda AC23 16.03.07.52. This impacts the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument bindnum leads to stack-based buffer overflow. It is possible to launch the attack remotely.
- 8.8 High severity
AC10U: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda AC10U 15.03.06.48/15.03.06.49. This affects the function formSetPPTPUserList of the file /goform/setPptpUserList of the component HTTP POST Request Handler. This manipulation of the argument list causes buffer overflow.
- 7.2 High severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda WH450 1.0.0.18. The affected element is an unknown function of the file /goform/webExcptypemanFilte of the component HTTP Request Handler. Such manipulation of the argument page leads to stack-based buffer overflow. The
- 7.2 High severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda WH450 1.0.0.18. Impacted is an unknown function of the file /goform/qossetting. This manipulation of the argument page causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been public
- 7.2 High 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 issue affects some unknown processing of the file /goform/VirtualSer of the component HTTP Request Handler. The manipulation of the argument page results in stack-based buffer overflow. The attack can be
- 7.2 High 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 vulnerability affects unknown code of the file /goform/SetIpBind of the component HTTP Request Handler. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be i
- 7.2 High 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 affects an unknown part of the file /goform/SafeMacFilter. The manipulation of the argument page results in stack-based buffer overflow. The attack may be performed from remote. The exploit has
- 7.2 High severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda WH450 1.0.0.18. Affected by this issue is some unknown functionality of the file /goform/SafeEmailFilter. The manipulation of the argument page leads to stack-based buffer overflow. The attack is possible to be carried o
- 7.2 High severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda WH450 1.0.0.18. Affected by this vulnerability is an unknown functionality of the file /goform/RouteStatic. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be execute
- 7.2 High severity
WH450: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda WH450 1.0.0.18. Affected is an unknown function of the file /goform/PPTPUserSetting. Performing a manipulation of the argument delno results in stack-based buffer overflow. Remote exploitation of the attack is possible. The e
- 7.2 High 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 impacts an unknown function of the file /goform/PPTPServer. Such manipulation of the argument ip1 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been discl
- 7.3 High severity
CH22: Improper Limitation of a Pathname to a Restricted Directory
A weakness has been identified in Tenda CH22 1.0.0.1. Impacted is an unknown function of the file /public/. Executing a manipulation can lead to path traversal. The attack can be launched remotely. The exploit has been made available to the public and could be