---
id: CVE-2026-52356
title: >-
  An OS command injection vulnerability in the /htdocs/web/diagnostic.php
  endpoint of D-Link DAP1160L A1_FW101WWb04 allows attackers to execute
  arbitrary commands via injecting arbitrary shell metacharacters.
summary: >-
  An OS command injection vulnerability in the /htdocs/web/diagnostic.php
  endpoint of D-Link DAP1160L A1_FW101WWb04 allows attackers to execute
  arbitrary commands via injecting arbitrary shell metacharacters.
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'
cvssSource: adp
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-26T15:54:57.787857Z'
exploitAvailable: true
published: '2026-10-23'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T12:11:29.441Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-52356'
references:
  - url: 'https://www.dlink.com/en/security-bulletin/'
  - url: >-
      https://github.com/REYu6/iot/blob/main/CVE/dlink/DAP1160LA1_FW101WWb04/DAP1160LA1_FW101WWb04_RCE.md
tags:
  - cve.org
  - exploit-available
epss: 0.021
epssPercentile: 0.81759
ingestedAt: '2026-10-23T16:31:11.326Z'
---

## Overview

An OS command injection vulnerability in the /htdocs/web/diagnostic.php endpoint of D-Link DAP1160L A1_FW101WWb04 allows attackers to execute arbitrary commands via injecting arbitrary shell metacharacters.

## Remediation

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