Tenda I21 Firmware
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By the Year
In 2026 there have been 0 vulnerabilities in Tenda I21 Firmware. I21 Firmware did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 0 | 0.00 |
| 2024 | 14 | 8.80 |
| 2023 | 0 | 0.00 |
| 2022 | 5 | 9.80 |
It may take a day or so for new I21 Firmware vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Tenda I21 Firmware Security Vulnerabilities
Tenda i21 1.0.0.14 Buffer Overflow in formexeCommand
CVE-2024-4497
8.8 - High
- May 05, 2024
A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been declared as critical. This vulnerability affects the function formexeCommand. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-263086 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14: formWifiMacFilterSet ssidIndex stack buffer overflow
CVE-2024-4496
8.8 - High
- May 05, 2024
A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been classified as critical. This affects the function formWifiMacFilterSet. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-263085 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 Stack-Based Buffer Overflow in formWifiMacFilterGet
CVE-2024-4495
8.8 - High
- May 05, 2024
A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical. Affected by this issue is the function formWifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-263084. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 Buffer Overflow in formSetUplinkInfo
CVE-2024-4494
8.8 - High
- May 05, 2024
A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. Affected by this vulnerability is the function formSetUplinkInfo of the file /goform/setUplinkInfo. The manipulation of the argument pingHostIp2 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-263083. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Critical IoT Buffer Overflow in Tenda i21 1.0.0.14 (formSetAutoPing)
CVE-2024-4493
8.8 - High
- May 05, 2024
A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). Affected is the function formSetAutoPing. The manipulation of the argument ping1/ping2 leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-263082 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 stack overflow in formOfflineSet (critical)
CVE-2024-4492
8.8 - High
- May 05, 2024
A vulnerability, which was classified as critical, has been found in Tenda i21 1.0.0.14(4656). This issue affects the function formOfflineSet of the file /goform/setStaOffline. The manipulation of the argument GO/ssidIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-263081 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Stack Buffer Overflow in Tenda i21 1.0.0.14(4656) formGetDiagnoseInfo
CVE-2024-4491
8.8 - High
- May 05, 2024
A vulnerability classified as critical was found in Tenda i21 1.0.0.14(4656). This vulnerability affects the function formGetDiagnoseInfo. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-263080. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14/4656: Remote StackBuffer Overflow via DhcpSetSe
CVE-2024-4251
8.8 - High
- April 27, 2024
A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been rated as critical. Affected by this issue is the function fromDhcpSetSer of the file /goform/DhcpSetSe. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-262142 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 Buffer Overflow in formwrlSSIDget
CVE-2024-4249
8.8 - High
- April 27, 2024
A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been classified as critical. Affected is the function formwrlSSIDget of the file /goform/wifiSSIDget. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-262140. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 stack buffer overflow in wifiSSIDset
CVE-2024-4250
8.8 - High
- April 27, 2024
A vulnerability was found in Tenda i21 1.0.0.14(4656). It has been declared as critical. Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-262141 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 Remote Stack Buffer Overflow (ssidIndex)
CVE-2024-4248
8.8 - High
- April 27, 2024
A vulnerability was found in Tenda i21 1.0.0.14(4656) and classified as critical. This issue affects the function formQosManage_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The associated identifier of this vulnerability is VDB-262139. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 Buffer Overflow in formQosManage_auto (CVE-2024-4247)
CVE-2024-4247
8.8 - High
- April 27, 2024
A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 Buffer Overflow via ssidIndex in formQosManageDouble_auto
CVE-2024-4246
8.8 - High
- April 27, 2024
A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). This affects the function formQosManageDouble_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The identifier VDB-262137 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Tenda i21 1.0.0.14 stack-based buffer overflow via formQosManageDouble_user
CVE-2024-4245
8.8 - High
- April 27, 2024
A vulnerability, which was classified as critical, has been found in Tenda i21 1.0.0.14(4656). Affected by this issue is the function formQosManageDouble_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack may be launched remotely. The identifier of this vulnerability is VDB-262136. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Memory Corruption
Buffer Overflow in Tenda i21 V1.0.0.14 /goform/setDiagnoseInfo
CVE-2022-44366
9.8 - Critical
- December 02, 2022
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setDiagnoseInfo.
Memory Corruption
Tenda i21 V1.0.0.14 Stack Overflow via /goform/setSysPwd
CVE-2022-44365
9.8 - Critical
- December 02, 2022
Tenda i21 V1.0.0.14(4656) has a stack overflow vulnerability via /goform/setSysPwd.
Memory Corruption
Tenda i21 Buffer Overflow in /goform/setSnmpInfo (v1.0.0.14)
CVE-2022-44363
9.8 - Critical
- December 02, 2022
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setSnmpInfo.
Memory Corruption
Tenda i21 Buffer Overflow via /goform/setUplinkInfo (V1.0.0.14)
CVE-2022-44367
9.8 - Critical
- December 02, 2022
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/setUplinkInfo.
Memory Corruption
Tenda i21 V1.0.0.14 Buffer Overflow via /goform/AddSysLogRule
CVE-2022-44362
9.8 - Critical
- December 02, 2022
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/AddSysLogRule.
Memory Corruption
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