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CVE-2026-82692 — A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717.

Key facts

CVE-2026-82692 is a Critical (9.9) vulnerability: A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717.. This entry ships a detection-only PoC and a Docker test lab.
CVE CVE-2026-82692
Severity Critical (9.9)
Detection / prevention —
PoC poc.py
Source 2026/CVE-2026-82692/

Details

English | 한국어

Description

A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717. This affects an unknown part of the file /cgi-bin/iscsi_mgr.cgi. Performing a manipulation of the argument alias/username/password/volume_location results in os command injection. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

Vulnerability Details

Property Value
CVE ID CVE-2026-82692
Type COMMAND_INJECTION
CVSS Score 9.9

Proof of Concept

Download

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-82692/poc.py

Usage

# Run PoC against target
python3 poc.py --target <TARGET_URL>

# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>

⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.

Test Lab

This repository includes a Docker-based test environment with both vulnerable and patched applications.

Quick Start

# Clone and navigate to CVE directory
cd CVE-2026-82692

# Start both applications
docker-compose up -d

# Run tests
./run-tests.sh    # Linux/Mac
./run-tests.ps1   # Windows PowerShell

Application Endpoints

Application URL Status
Vulnerable App http://localhost:8080 Shows vulnerability
Patched App http://localhost:8081 Demonstrates fix

Directory Structure

├── README.md           # English documentation
├── README_KO.md        # Korean documentation
├── poc.py              # PoC detection script
├── docker-compose.yml  # Container orchestration
├── run-tests.sh        # Linux/Mac test runner
├── run-tests.ps1       # Windows test runner
├── vulnerable-app/     # Vulnerable version
│   ├── app.py
│   ├── Dockerfile
│   └── requirements.txt
└── patched-app/        # Fixed version
    ├── app.py
    ├── Dockerfile
    └── requirements.txt

References

  • https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-006-vulndb.md
  • https://vuldb.com/cve/CVE-2026-82692
  • https://vuldb.com/submit/894211
  • https://vuldb.com/vuln/397180
  • https://vuldb.com/vuln/397180/cti
  • https://www.dlink.com/

Generated by PoC Generator on 2026-09-03T09:28:23.213884476

Frequently asked questions

What is CVE-2026-82692?

CVE-2026-82692 is a Critical (9.9) vulnerability: A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717.. This entry ships a detection-only PoC and a Docker test lab.

How do I detect CVE-2026-82692?

Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.

How do I block or mitigate CVE-2026-82692?

Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.

For authorized security testing and research only. See the full source and NVD record.