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
- 8.8 High severity
W3: Out-of-bounds Write
A weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buff
- 8.8 High severity
W3: Out-of-bounds Write
A security flaw has been discovered in Tenda W3 1.0.0.3(2204). This issue affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component POST Parameter Handler. Performing a manipulation of the argument wl_radio results in stac
- 8.8 High severity
W3: Out-of-bounds Write
A vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The
- 8.8 High severity
W3: Out-of-bounds Write
A vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component POST Parameter Handler. This manipulation of the argument ping1/ping2 causes stack-based buffer overflow. The a
- 8.8 High severity
W3: Out-of-bounds Write
A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can o
- 8.8 High severity
i3: Out-of-bounds Write
A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument index/GO leads to stack-based buffer overflow. Remote exploitation of the
- 8.8 High severity
i3: Out-of-bounds Write
A flaw has been found in Tenda i3 1.0.0.6(2204). Affected is the function formwrlSSIDget of the file /goform/wifiSSIDget. Executing a manipulation of the argument index can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit h
- 8.4 High severity
G1 Firmware: Use of Hard-coded Password
Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.
- 8.4 High severity
I24 Firmware: Use of Hard-coded Password
Tenda i24V3.0si V3.0.0.5 Firmware V3.0.0.5 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.
- 7.5 High severity
W15e Firmware: Improper Access Control
An incorrect access control vulnerability exists in Tenda W15E V02.03.01.26_cn. An unauthenticated attacker can access the /cgi-bin/DownloadCfg/RouterCfm.jpg endpoint to download the configuration file containing plaintext administrator credentials, leading to
- 8.8 High severity
FH1202: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda FH1202 1.2.0.14(408). This impacts the function fromP2pListFilter of the file /goform/P2pListFilter. The manipulation of the argument page results in stack-based buffer overflow. The attack can be executed remotely. The explo
- 8.8 High severity
FH1202: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda FH1202 1.2.0.14(408). This affects the function fromDhcpListClient of the file /goform/DhcpListClient. The manipulation of the argument page leads to stack-based buffer overflow. Remote exploitation of the attack is poss
- 8.8 High severity
FH1202: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda FH1202 1.2.0.14(408). The impacted element is the function fromNatStaticSetting of the file /goform/NatSaticSetting. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack may be launche
- 8.8 High severity
FH1202: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Tenda FH1202 1.2.0.14(408). The affected element is the function formWebTypeLibrary of the file /goform/webtypelibrary. Performing a manipulation of the argument webSiteId results in stack-based buffer overflow. The attack may b
- 8.8 High severity
FH1202: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Tenda FH1202 1.2.0.14(408). Impacted is the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Such manipulation of the argument mit_ssid/mit_ssid_index leads to stack-based buffer overflow. The attack c
- 8.8 High severity
i3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Tenda i3 1.0.0.6(2204). This vulnerability affects the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet. The manipulation of the argument index results in stack-based buffer overflow. It is possible to l
- 8.8 High severity
i3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow. It is possible to initiate the attack re
- 8.8 High severity
i3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda i3 1.0.0.6(2204). Affected by this issue is the function formexeCommand of the file /goform/exeCommand. Executing a manipulation of the argument cmdinput can lead to stack-based buffer overflow. The attack may be perform
- 8.8 High severity
i3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formSetAutoPing of the file /goform/setAutoPing. Performing a manipulation of the argument ping1/ping2 results in stack-based buffer overflow. The attack is pos
- 8.8 High severity
i3: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Tenda i3 1.0.0.6(2204). This impacts the function formSetCfm of the file /goform/setcfm. This manipulation of the argument funcpara1 causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has bee
- 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 WrlclientSet of the file /goform/WrlclientSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack can be executed remotely. The explo
- 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 formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation of the argument GO leads to stack-based buffer overflow. Remote exploitation of t
- 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 affects the function strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to stack-based buffer overflow. It is possible to initiate the attack remotely. T
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the file /goform/PPTPDClient. Such manipulation of the argument username/opttype leads to stack-based buffer overflow. The attack can be executed remotely. T
- 8.8 High severity
F453: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda F453 1.0.0.3/1.If. This issue affects the function fromSetCfm of the file /goform/setcfm. This manipulation of the argument funcname/funcpara1 causes stack-based buffer overflow. Remote exploitation of the attack is poss
- 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 vulnerability affects the function sub_3C6C0 of the file /goform/QuickIndex. The manipulation of the argument mit_linktype/PPPOEPassword results in stack-based buffer overflow. The attack may be launched re
- 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 affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be initiated remotely.
- 8.8 High severity
FH451: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex. Such manipulation of the argument mit_linktype/PPPOEPassword leads to stack-based buffer overflow. It is possib
- 8.8 High severity
FH451: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Tenda FH451 1.0.0.9. Affected is the function sub_3C434 of the file /goform/AdvSetWan. This manipulation of the argument wanmode/PPPOEPassword causes stack-based buffer overflow. It is possible to initiate the attack remotely.
- 8.8 High severity
FH451: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit
- 7.5 High severity
Ax3 Firmware: Stack-based Buffer Overflow
Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formGetIptv function and the list parameter, which can cause memory corruption and enable remote code execution.
- 9.8 Critical severity
Ac15 Firmware: Improper Control of Generation of Code
An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. The value of `v1` was not checked, potentially leading to a command injection vulnerability if injected into doSystemCmd.
- 7.5 High severity
Ac6 Firmware: Stack-based Buffer Overflow
An issue was discovered in /goform/WifiWpsStart in Tenda AC6V2.0 V15.03.06.23_multi. The index and mode are controllable. If the conditions are met to sprintf, they will be spliced into tmp. It is worth noting that there is no size check,which leads to a stack
- 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 specifying the value of `userInfo`. When `userInfo` is passed into the `addWewifiWhiteUser` function and processed by `sscanf` without size validation, it could
- 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 send overly long `addDhcpRules` data. When these rules enter the `addDhcpRule` function and are processed by `ret = sscanf(pRule, " %d\t%[^\t]\t%[^\n\r\t]", &dhcpsIndex, dhcpsIP, dhcpsMac);
- 9.8 Critical severity
Ac15 Firmware: Improper Neutralization of Special Elements used in an OS Command
An issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18_multi. When the condition is met, `s1_1` will be passed into sub_B0488, concatenated into `doSystemCmd`. The value of s1_1 is not validated, potentially leading to a command injection
- 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. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow.
- 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: 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 specifying the value of `userInfo`. When `userInfo` is passed into the `addAuthUser` function and processed by `sscanf` without size validation, it could lead t
- 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 `picName`. When this value is used in `sprintf` without validating variable sizes, it could lead to a buffer overflow vulnerability.