Stack-Based Buffer Overflow in Tenda W12 and i24 Devices
CVE-2025-4007

8.7HIGH

Key Information:

Vendor
Tenda
Status
W12
I24
Vendor
CVE Published:
28 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A stack-based buffer overflow vulnerability has been identified in Tenda W12 and i24 devices, specifically within the cgidhcpsCfgSet function in the /goform/modules of the httpd component. This flaw allows remote attackers to manipulate the 'json' argument, leading to potential execution of arbitrary code. The vulnerability has been publicly disclosed, raising concerns for users of affected versions 3.0.0.4(2887) and 3.0.0.5(3644).

Affected Version(s)

i24 3.0.0.4(2887)

i24 3.0.0.5(3644)

W12 3.0.0.4(2887)

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-4007 - Proof of Concept

References

https://vuldb.com/?id.306343
vdb-entrytechnical-description
https://vuldb.com/?ctiid.306343
signaturepermissions-required
https://vuldb.com/?submit.558165
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

T1an (VulDB User)
.
CVE-2025-4007 : Stack-Based Buffer Overflow in Tenda W12 and i24 Devices | SecurityVulnerability.io