Buffer Overflow Vulnerability in Belkin F9K1015 Wi-Fi Router
CVE-2025-11302

8.7HIGH

Key Information:

Vendor

Belkin

Status
F9k1015
Vendor
CVE Published:
5 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11302?

A security vulnerability has been identified in the Belkin F9K1015 Wi-Fi router, specifically within an unknown function of the /goform/formWpsStart file. This vulnerability arises from improper handling of the pinCode argument, leading to a buffer overflow condition. The attack can be executed remotely, potentially allowing an attacker to manipulate router settings or execute arbitrary code. Despite an early disclosure to the vendor, there has been no response, and the details of this vulnerability have been made public, increasing the risk of exploitation.

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-2025-11302 - Proof of Concept

References

https://vuldb.com/?id.327183
vdb-entrytechnical-description
https://vuldb.com/?ctiid.327183
signaturepermissions-required
https://vuldb.com/?submit.661306
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)
JSON
.
CVE-2025-11302 : Buffer Overflow Vulnerability in Belkin F9K1015 Wi-Fi Router