Buffer Overflow Vulnerability in TOTOLINK N150RT Router
CVE-2025-3989

8.7HIGH

Key Information:

Vendor

Totolink
Status
N150rt
Vendor
CVE Published:
27 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3989?

A newly discovered vulnerability in the TOTOLINK N150RT router allows an attacker to exploit the /boafrm/formStaticDHCP endpoint. By manipulating the Hostname parameter, a buffer overflow can be triggered, potentially enabling remote code execution. This security flaw poses a significant risk as it can be easily exploited since it does not require physical access to the device. Users of the affected router version should take immediate action to secure their devices and monitor for any suspicious activity to mitigate potential attacks.

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-2025-3989 - Proof of Concept

References

https://vuldb.com/?id.306325
vdb-entrytechnical-description
https://vuldb.com/?ctiid.306325
signaturepermissions-required
https://vuldb.com/?submit.557940
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

lcyf-fizz (VulDB User)
.