Stack-based Buffer Overflow in Tenda W12 and i24 Products
CVE-2025-3802

8.7HIGH

Key Information:

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

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability has been identified in Tenda W12 and i24 products, specifically affecting the cgiPingSet function in the /bin/httpd file. The issue arises from improper handling of the pingIP argument, which can result in a stack-based buffer overflow. This vulnerability can be exploited remotely, allowing potential attackers to manipulate the system from afar. The exploit has been publicly disclosed, emphasizing the importance of immediate vulnerability management and patching measures for affected users.

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-2025-3802 - Proof of Concept

References

https://vuldb.com/?id.305656
vdb-entrytechnical-description
https://vuldb.com/?ctiid.305656
signaturepermissions-required
https://vuldb.com/?submit.554746
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)
.