---
id: CVE-2025-45729
title: >-
  D-Link DIR-823-Pro 1.02 has improper permission control, allowing unauthorized
  users to turn on and access Telnet services.
summary: >-
  D-Link DIR-823-Pro 1.02 has improper permission control, allowing unauthorized
  users to turn on and access Telnet services.
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'
cwe:
  - CWE-284
vendor: dlink
product: dir-823_pro_firmware
affected:
  - dir-823_pro_firmware = 1.0.2
published: '2025-06-27'
updated: '2026-07-01'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-45729'
references:
  - url: >-
      https://www.kdev.site/2025/04/02/d-link-823_pro-unauthorized-telnet-access/
    label: cve@mitre.org
  - url: 'https://www.kdev.site/cve-2025-45729/'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00366
epssPercentile: 0.27793
ingestedAt: '2026-07-01T19:15:59.779Z'
---

## Overview

D-Link DIR-823-Pro 1.02 has improper permission control, allowing unauthorized users to turn on and access Telnet services.

## Affected

- `dir-823_pro_firmware = 1.0.2`

## Remediation

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