---
id: CVE-2025-15245
title: A vulnerability was found in D-Link DCS-850L 1.02.09
summary: >-
  A vulnerability was found in D-Link DCS-850L 1.02.09. Affected is the function
  uploadfirmware of the component Firmware Update Service. The manipulation of
  the argument DownloadFile results in path traversal. The attack must originate
  fr…
severity: low
cvss: 3.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-22
vendor: dlink
product: dcs-850l_firmware
affected:
  - dcs-850l_firmware = 1.02.09
published: '2025-12-30'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T16:10:00.257'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15245'
references:
  - url: >-
      https://tzh00203.notion.site/D-Link-DCS850L-v1-02-09-Path-Traversal-Vulnerability-in-Firmware-Update-2d8b5c52018a803abbc7e30e2858d084?source=copy_link
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.338635'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.338635'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.725742'
    label: cna@vuldb.com
  - url: 'https://www.dlink.com/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00615
epssPercentile: 0.47519
ingestedAt: '2026-10-01T18:55:42.316Z'
---

## Overview

A vulnerability was found in D-Link DCS-850L 1.02.09. Affected is the function uploadfirmware of the component Firmware Update Service. The manipulation of the argument DownloadFile results in path traversal. The attack must originate from the local network. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

## Affected

- `dcs-850l_firmware = 1.02.09`

## Remediation

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