---
id: CVE-2025-11294
title: A vulnerability was detected in Belkin F9K1015 1.00.10
summary: >-
  A vulnerability was detected in Belkin F9K1015 1.00.10. Affected by this issue
  is some unknown functionality of the file /goform/formL2TPSetup. The
  manipulation of the argument L2TPUserName results in buffer overflow. The
  attack may be l…
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-2025-11294'
references:
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formL2TPSetup.md
    label: cna@vuldb.com
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formL2TPSetup.md#poc
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.327175'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.327175'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.661298'
    label: cna@vuldb.com
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formL2TPSetup.md
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://github.com/panda666-888/vuls/blob/main/belkin/f9k1015/formL2TPSetup.md#poc
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.01307
epssPercentile: 0.69697
ingestedAt: '2026-10-09T12:53:28.687Z'
---

## Overview

A vulnerability was detected in Belkin F9K1015 1.00.10. Affected by this issue is some unknown functionality of the file /goform/formL2TPSetup. The manipulation of the argument L2TPUserName results in buffer overflow. The attack may be launched remotely. The exploit is now public and may 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.