Buffer Overflow Vulnerability in Belkin F9K1015 Router
CVE-2025-11301

8.7HIGH

Key Information:

Vendor

Belkin

Status
F9k1015
Vendor
CVE Published:
5 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11301?

A vulnerability has been identified in the Belkin F9K1015 Router version 1.00.10, specifically within the /goform/formWlanSetupWPS file. This flaw allows an attacker to manipulate arguments in a way that causes a buffer overflow, potentially leading to unauthorized actions. The vulnerability can be exploited remotely, making it accessible to attackers without requiring physical interaction with the device. Despite early disclosure attempts to the vendor, there has been no response, and exploit techniques are now publicly available. Users are advised to monitor their devices for unusual activities and to apply any necessary security measures.

Affected Version(s)

F9K1015 1.00.10

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-2025-11301 - Proof of Concept

References

https://vuldb.com/?id.327182
vdb-entrytechnical-description
https://vuldb.com/?ctiid.327182
signaturepermissions-required
https://vuldb.com/?submit.661305
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

panda_0xf1 (VulDB User)
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