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
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper size validation, it
- 9.8 Critical severity
W20e Firmware: Improper Control of Generation of Code
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the value of `usbPartitionName`, which is directly used in `doSystemCmd`, may lead to critical command injection vulnerabilities.
- 9.8 Critical severity
AC15: Out-of-bounds Write
A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. The manipulation of the argument dips leads to buffer overflow. The attack may be i
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be lau
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda F453 1.0.0.3. This issue affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and c
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda F453 1.0.0.3. This vulnerability affects the function fromSetIpBind of the file /goform/SetIpBind. The manipulation of the argument page leads to buffer overflow. The attack may be initiated remotely. The exploit has bee
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromqossetting of the file /goform/qossetting. Executing a manipulation of the argument qos can lead to buffer overflow. The attack can be launched remotely. The exploit has been published
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Tenda F453 1.0.0.3. Affected by this issue is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter. Performing a manipulation of the argument page results in buffer overflow. The attack can be initiated remotely. The
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromSafeMacFilter of the file /goform/SafeMacFilter. Such manipulation of the argument page leads to buffer overflow. It is possible to launch the
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda F453 1.0.0.3. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Executing a manipulation of the argument entrys can lead to buffer overflow. The attack may be performed from
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda F453 1.0.0.3. Affected by this issue is the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in buffer overflow. The attack is possible
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda F453 1.0.0.3. Affected by this vulnerability is the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component httpd. Such manipulation of the argument mit_ssid_index leads to buffer overflow. The atta
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromDhcpListClient of the file /goform/DhcpListClient of the component httpd. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is pos
- 9.8 Critical severity
F453: Buffer Copy without Checking Size of Input
A vulnerability was found in Tenda F453 1.0.0.3. This impacts the function fromP2pListFilter of the file /goform/P2pListFilterof of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda F453 1.0.0.3. This impacts the function fromSafeEmailFilter of the file /goform/SafeEmailFilter of the component httpd. The manipulation of the argument page leads to buffer overflow. Remote exploitation of t
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda F453 1.0.0.3. This affects the function fromNatStaticSetting of the file /goform/NatStaticSetting of the component httpd. Executing a manipulation of the argument page can lead to buffer overflow. The attack may be launc
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda F453 1.0.0.3. The impacted element is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component httpd. Performing a manipulation of the argument webSiteId results in buffer overflow. The at
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda F453 1.0.0.3. The affected element is the function fromRouteStatic of the file /goform/RouteStatic of the component httpd. Such manipulation of the argument page leads to buffer overflow. The attack can be launched remot
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda F453 1.0.0.3. Impacted is the function fromSetWifiGusetBasic of the file /goform/AdvSetWrlsafeset of the component httpd. This manipulation of the argument mit_ssid causes buffer overflow. The attack can be initiated rem
- 8.8 High severity
AC8: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible
- 7.5 High severity
Fh1203 Firmware: Stack-based Buffer Overflow
Tenda FH1203 V2.0.1.6 contains a stack-based buffer overflow vulnerability in the modify_add_client_prio function, which is reachable via the formSetClientPrio CGI handler.
- 8.8 High severity
A18: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. Th
- 8.8 High severity
FH451: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the file /goform/GstDhcpSetSer. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed
- 8.8 High severity
HG9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda HG9 300001138. This vulnerability affects unknown code of the file /boaform/formPing6. Executing a manipulation of the argument pingAddr can lead to stack-based buffer overflow. The attack may be performed from remote. The exploi
- 8.8 High severity
HG9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is
- 8.8 High severity
HG9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype lead
- 8.8 High severity
HG9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda HG9 300001138. Affected by this vulnerability is an unknown functionality of the file /boaform/formgponConf of the component GPON Configuration Endpoint. This manipulation of the argument fmgpon_loid/fmgpon_loid_password
- 8.8 High severity
HG9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda HG9 300001138. Affected is an unknown function of the file /boaform/formSamba of the component Samba Configuration Endpoint. The manipulation of the argument sambaCap results in stack-based buffer overflow. The atta
- 8.8 High severity
HG9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack
- 8.8 High severity
A21: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. T
- 8.8 High severity
A18: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file /goform/WifiExtraSet of the component Httpd Service. The manipulation of the argument wpapsk_crypto5g leads to stack-based buffer overflow. It is possible to
- 8.8 High severity
A18: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The
- 8.8 High severity
A21: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda A21 1.0.0.0. Impacted is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. Executing a manipulation of the argument ssid can lead to stack-based buffer overflow. It is possible to launch the attac
- 8.8 High severity
A21: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Tenda A21 1.0.0.0. This issue affects the function setSchedWifi of the file /goform/openSchedWifi. Performing a manipulation of the argument schedStartTime/schedEndTime results in stack-based buffer overflow. It is possible to i
- 8.8 High severity
A21: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda A21 1.0.0.0. This vulnerability affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. Such manipulation of the argument devName/mac leads
- 8.8 High severity
A21: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. This manipulation of the argument list causes stack-based buffer overflow. The attack is possible to be carried out remotely. The
- 8.8 High severity
A21: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda A21 1.0.0.0. Affected by this issue is the function set_qosMib_list of the file /goform/formSetQosBand. The manipulation of the argument list results in stack-based buffer overflow. The attack can be executed remote
- 8.8 High severity
AC8: Buffer Copy without Checking Size of Input
A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Rem
- 8.8 High severity
AC8: Buffer Copy without Checking Size of Input
A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched re