Buffer Overflow Vulnerability in TOTOLINK N150RT Router
CVE-2025-3992

8.7HIGH

Key Information:

Vendor

Totolink
Status
N150rt
Vendor
CVE Published:
28 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3992?

A buffer overflow vulnerability has been identified in the TOTOLINK N150RT router, specifically within the /boafrm/formWlwds file. The flaw arises due to inadequate validation of the 'submit-url' argument, enabling remote attackers to exploit this weakness. If successfully breached, this vulnerability could allow attackers to manipulate system behavior or execute arbitrary code. The exploit has already been disclosed publicly, highlighting the urgency for users to apply necessary security measures.

Affected Version(s)

N150RT 3.4.0-B20190525

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-2025-3992 - Proof of Concept

References

https://vuldb.com/?id.306328
vdb-entrytechnical-description
https://vuldb.com/?ctiid.306328
signaturepermissions-required
https://vuldb.com/?submit.557943
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

.