CVE-2026-61884 — The web management interface of Tycon Systems TPDIN-Monitor-WEB2¶
Key facts
CVE-2026-61884 is a Critical (9.8) vulnerability: The web management interface of Tycon Systems TPDIN-Monitor-WEB2. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-61884 |
| Severity | Critical (9.8) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-61884/ |
Details¶
English | 한국어
Description¶
The web management interface of Tycon Systems TPDIN-Monitor-WEB2
does not perform server-side validation of credentials during the login process. By submitting empty values for both credential fields, an unauthenticated remote attacker can bypass the authentication check and establish a valid administrative session. This grants full access to device controls including power relay management, device reboot, remote access service configuration, and network settings, which could allow an attacker to disrupt connected infrastructure or cause physical damage to equipment.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-61884 |
| CVSS Score | 9.8 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-61884/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-2026-61884
# 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/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-202-01.json
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-202-01
- https://www.tyconsystems.com/contact
Generated by PoC Generator on 2026-08-04T08:06:17.478118074
Frequently asked questions¶
What is CVE-2026-61884?¶
CVE-2026-61884 is a Critical (9.8) vulnerability: The web management interface of Tycon Systems TPDIN-Monitor-WEB2. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-61884?¶
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-2026-61884?¶
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.