---
id: CVE-2025-11299
title: A vulnerability was identified in Belkin F9K1015 1.00.10
summary: >-
  A vulnerability was identified in Belkin F9K1015 1.00.10. The affected element
  is an unknown function of the file /goform/formWanTcpipSetup. The manipulation
  of the argument pppUserName leads to buffer overflow. It is possible to
  initiat…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
vendor: belkin
product: f9k1015_firmware
affected:
  - f9k1015_firmware = 1.00.10
published: '2025-10-05'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T10:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11299'
references:
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md
    label: cna@vuldb.com
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md#poc
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.327180'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.327180'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.661303'
    label: cna@vuldb.com
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formWanTcpipSetup.md#poc
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.01124
epssPercentile: 0.6525
ingestedAt: '2026-10-09T12:53:28.700Z'
---

## Overview

A vulnerability was identified in Belkin F9K1015 1.00.10. The affected element is an unknown function of the file /goform/formWanTcpipSetup. The manipulation of the argument pppUserName leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `f9k1015_firmware = 1.00.10`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.