Buffer Overflow in Belkin F9K1015 Routers
CVE-2025-11293

8.7HIGH

Key Information:

Vendor

Belkin

Status
Vendor
CVE Published:
5 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11293?

A security vulnerability has been identified in the Belkin F9K1015 router (version 1.00.10), specifically within the functionality of the file /goform/formConnectionSetting. This vulnerability can be exploited by manipulating the 'max_Conn' argument, resulting in a buffer overflow condition. This type of issue allows attackers to potentially execute arbitrary code or disrupt service and can be initiated remotely. Although the vendor was notified of the vulnerability before public disclosure, there was no response regarding remediation or mitigation. It is critical for users of the affected router to take immediate precautions to secure their devices.

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.

References

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_0x1 (VulDB User)
.
CVE-2025-11293 : Buffer Overflow in Belkin F9K1015 Routers