CVE-2024-4236

A vulnerability, which was classified as critical, has been found in Tenda AX1803 1.0.0.1. This issue affects the function formSetSysToolDDNS of the file /goform/SetDDNSCfg. The manipulation of the argument serverName/ddnsUser/ddnsPwd/ddnsDomain 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 associated identifier of this vulnerability is VDB-262127. 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/AX/AX1803/formSetSysToolDDNS.mdBroken Link
• https://vuldb.com/?ctiid.262127Permissions Required, VDB Entry
• https://vuldb.com/?id.262127Permissions Required, VDB Entry
• https://vuldb.com/?submit.319230Third Party Advisory, VDB Entry
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AX/AX1803/formSetSysToolDDNS.mdBroken Link
• https://vuldb.com/?ctiid.262127Permissions Required, VDB Entry
• https://vuldb.com/?id.262127Permissions Required, VDB Entry
• https://vuldb.com/?submit.319230Third 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.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2024-42353WebOb provides objects for HTTP requests and responses. When…6.1
• CVE-2024-42354Shopware is an open commerce platform. The store-API works w…5.9
• CVE-2024-42355Shopware, an open ecommerce platform, has a new Twig Tag `sw…9.8
• CVE-2024-42356Shopware is an open commerce platform. Prior to versions 6.6…7.2
• CVE-2024-42357Shopware is an open commerce platform. Prior to versions 6.6…9.8
• CVE-2024-42358PDFio is a simple C library for reading and writing PDF file…5.5
• CVE-2024-42360SequenceServer lets you rapidly set up a BLAST+ server with …9.8
• CVE-2024-42361Hertzbeat is an open source, real-time monitoring system. He…9.8
• CVE-2024-42362Hertzbeat is an open source, real-time monitoring system. He…8.8
• CVE-2024-42363Prior to 3385, the user-controlled role parameter enters the…8.8
• CVE-2024-42364Homepage is a highly customizable homepage with Docker and s…6.5
• CVE-2024-42365Asterisk is an open source private branch exchange (PBX) and…8.8