Tenda vulnerabilities

CVE-2026-3809 High · 8.8 CWE-119 Mar 9, 2026

Tenda FH1202 NatSaticSetting fromNatStaticSetting stack-based overflow

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 launched remotely. The exploit has been published and may be used.

CVE-2026-3808 High · 8.8 CWE-119 Mar 9, 2026

Tenda FH1202 webtypelibrary formWebTypeLibrary stack-based overflow

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 be initiated remotely. The exploit is now public and may be used.

CVE-2026-3807 High · 8.8 CWE-119 Mar 9, 2026

Tenda FH1202 AdvSetWrlsafeset formWrlsafeset stack-based overflow

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 can be launched remotely. The exploit has been disclosed publicly and may be used.

CVE-2026-3804 High · 8.8 CWE-119 Mar 9, 2026

Tenda i3 WifiMacFilterSet formWifiMacFilterSet stack-based overflow

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 launch the attack remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-3803 High · 8.8 CWE-119 Mar 9, 2026

Tenda i3 WifiMacFilterGet formWifiMacFilterGet stack-based overflow

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 remotely. The exploit is publicly available and might be used.

CVE-2026-3802 High · 8.8 CWE-119 Mar 9, 2026

Tenda i3 exeCommand formexeCommand stack-based overflow

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 performed from remote. The exploit has been publicly disclosed and may be utilized.

CVE-2026-3801 High · 8.8 CWE-119 Mar 9, 2026

Tenda i3 setAutoPing formSetAutoPing stack-based overflow

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 possible to be carried out remotely. The exploit has been made public and could be used.

CVE-2026-3799 High · 8.8 CWE-119 Mar 9, 2026

Tenda i3 setcfm formSetCfm stack-based overflow

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 been published and may be used.

CVE-2026-3769 High · 8.8 CWE-119 Mar 8, 2026

Tenda F453 WrlclientSet stack-based overflow

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 exploit is now public and may be used.

CVE-2026-3768 High · 8.8 CWE-119 Mar 8, 2026

Tenda F453 WrlExtraSet formWrlExtraSet stack-based overflow

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 the attack is possible. The exploit has been disclosed publicly and may be used.

CVE-2026-3732 High · 8.8 CWE-119 Mar 8, 2026

Tenda F453 exeCommand strcpy stack-based overflow

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. The exploit has been disclosed publicly and may be used.

CVE-2026-3729 High · 8.8 CWE-119 Mar 8, 2026

Tenda F453 PPTPDClient fromPptpUserAdd stack-based overflow

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. The exploit is publicly available and might be used.

CVE-2026-3728 High · 8.8 CWE-119 Mar 8, 2026

Tenda F453 setcfm fromSetCfm stack-based overflow

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 possible. The exploit has been publicly disclosed and may be utilized.

CVE-2026-3727 High · 8.8 CWE-119 Mar 8, 2026

Tenda F453 QuickIndex sub_3C6C0 stack-based overflow

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 remotely. The exploit has been made public and could be used.

CVE-2026-3726 High · 8.8 CWE-119 Mar 8, 2026

Tenda F453 webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow

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. The exploit has been disclosed to the public and may be used.

CVE-2026-3679 High · 8.8 CWE-119 Mar 7, 2026

Tenda FH451 QuickIndex formQuickIndex stack-based overflow

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 possible to launch the attack remotely. The exploit is publicly available and might be used.

CVE-2026-3678 High · 8.8 CWE-119 Mar 7, 2026

Tenda FH451 AdvSetWan sub_3C434 stack-based overflow

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. The exploit has been publicly disclosed and may be utilized.

CVE-2026-3677 High · 8.8 CWE-119 Mar 7, 2026

Tenda FH451 setcfm fromSetCfm stack-based overflow

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 has been made public and could be used.

CVE-2025-69765 High · 7.5 CWE-121 Mar 3, 2026

Stack-based Buffer Overflow in Tenda Ax3 Firmware

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.

CVE-2026-24103 Critical · 9.8 CWE-120 Mar 3, 2026

Classic Buffer Overflow in Tenda Ac15 Firmware

A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.

CVE-2026-24105 Critical · 9.8 CWE-94 Mar 2, 2026

Code Injection in Tenda Ac15 Firmware

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.

CVE-2025-70252 High · 7.5 CWE-121 Mar 2, 2026

Stack-based Buffer Overflow in Tenda Ac6 Firmware

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 overflow vulnerability.

CVE-2026-24112 Critical · 9.8 CWE-120 Mar 2, 2026

Classic Buffer Overflow in Tenda W20e Firmware

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 lead to a buffer overflow vulnerability.

CVE-2026-24110 Critical · 9.8 CWE-120 Mar 2, 2026

Classic Buffer Overflow in Tenda W20e Firmware

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);`, the lack of size validation for the rules could lead to buffer overflows in `dhcpsIndex`, `dhcpsIP`, and `dhcpsMac`.

CVE-2026-24101 Critical · 9.8 CWE-78 Mar 2, 2026

OS Command Injection in Tenda Ac15 Firmware

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 vulnerability.