Stack-Based Buffer Overflow in Tenda W18E by Tenda Technologies
CVE-2025-3203

5.3MEDIUM

Key Information:

Vendor
Tenda
Status
W18e
Vendor
CVE Published:
4 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A stack-based buffer overflow vulnerability has been identified in the Tenda W18E product, specifically within the formSetAccountList function found in the /goform/setModules file. This vulnerability allows an attacker to manipulate the Password argument, potentially leading to remote code execution. The issue can be exploited without user interaction, making the Tenda W18E a critical target for malicious actors. The vulnerability has been publicly disclosed, highlighting the urgent need for users to secure their devices against possible exploits.

Affected Version(s)

W18E 16.01.0.11

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-2025-3203 - Proof of Concept

References

https://vuldb.com/?id.303157
vdb-entrytechnical-description
https://vuldb.com/?ctiid.303157
signaturepermissions-required
https://vuldb.com/?submit.545883
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
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

ZIKH26 (VulDB User)
.