---
id: CVE-2026-108971
title: A flaw has been found in D-Link DCS-930L B1.08B4
summary: >-
  A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function
  mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP
  Recovery Server. Executing a manipulation of the argument firmware can lead to
  impr…
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-345
  - CWE-347
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T13:29:12.567'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108971'
references:
  - url: >-
      https://github.com/sweethub521/somevul/blob/main/dlink-dcs930l-bootloader-emergency-room-flash.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-108971'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/999605'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416789'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416789/cti'
    label: cna@vuldb.com
  - url: 'https://www.dlink.com/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00225
epssPercentile: 0.12231
ingestedAt: '2026-10-13T07:17:52.317Z'
---

## Overview

A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used.

## Remediation

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