cve/2024/CVE-2024-4251.md

### [CVE-2024-4251](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-4251)
![](https://img.shields.io/static/v1?label=Product&message=i21&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%201.0.0.14(4656)%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-121%20Stack-based%20Buffer%20Overflow&color=brighgreen)

### 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.

### POC

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

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