Stack-based Buffer Overflow in Belkin F9K1122 Router
CVE-2025-7084

8.7HIGH

Key Information:

Vendor

Belkin

Status
F9k1122
Vendor
CVE Published:
6 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7084?

A vulnerability in the Belkin F9K1122 router affects the function formWpsStart found in the /goform/formWpsStart component, where improper handling of the pinCode argument can lead to a stack-based buffer overflow. This flaw allows remote attackers to potentially execute arbitrary code on the device. The issue has been publicly disclosed, with attempts to contact the vendor remaining unacknowledged, raising concerns about the product's security and responsiveness to vulnerabilities.

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Affected Version(s)

F9K1122 1.00.33

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-2025-7084 - Proof of Concept

References

https://vuldb.com/?id.314998
vdb-entrytechnical-description
https://vuldb.com/?ctiid.314998
signaturepermissions-required
https://vuldb.com/?submit.603674
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

Bond (VulDB User)
JSON
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