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CVE-2024-4251

Description

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.

Eine kritische Schwachstelle wurde in Tenda i21 1.0.0.14(4656) ausgemacht. Dies betrifft die Funktion fromDhcpSetSer der Datei /goform/DhcpSetSe. Dank Manipulation des Arguments dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

POC

Reference

- https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/fromDhcpSetSer.md

Github

- https://github.com/LaPhilosophie/IoT-vulnerable

- https://github.com/gh-ost00/IOT-Vulnerable_POC