CVE-2024-4240

A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been classified as critical. This affects the function formQosManageDouble_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262131. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-121
• CWE-787

• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W9/formQosManageDouble_auto.mdBroken Link
• https://vuldb.com/?ctiid.262131Permissions Required, Third Party Advisory, VDB Entry
• https://vuldb.com/?id.262131Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.319822Third Party Advisory, VDB Entry
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W9/formQosManageDouble_auto.mdBroken Link
• https://vuldb.com/?ctiid.262131Permissions Required, Third Party Advisory, VDB Entry
• https://vuldb.com/?id.262131Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.319822Third Party Advisory, VDB Entry

Published

Apr 26, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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