---
id: CVE-2026-61884
title: >-
  The Tycon Systems TPDIN-Monitor-WEB2

  ships without HTTP credentials configured, intended for an installer to set
  them on first use
summary: >-
  The Tycon Systems TPDIN-Monitor-WEB2

  ships without HTTP credentials configured, intended for an installer to set
  them on first use. On firmware 2.4.4 and earlier, a unit left in this
  unconfigured state serves the web management interface…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-306
published: '2026-07-24'
updated: '2026-09-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-61884'
references:
  - url: >-
      https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-202-01.json
    label: ics-cert@hq.dhs.gov
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-202-01'
    label: ics-cert@hq.dhs.gov
tags:
  - nvd
epss: 0.00448
epssPercentile: 0.38329
ingestedAt: '2026-09-05T13:39:56.012Z'
---

## Overview

The Tycon Systems TPDIN-Monitor-WEB2
ships without HTTP credentials configured, intended for an installer to set them on first use. On firmware 2.4.4 and earlier, a unit left in this unconfigured state serves the web management interface without requiring any login. An attacker with network access to such a unit can reach full device controls, including power relay management, device reboot, remote access service configuration, and network settings, which could allow disruption of connected infrastructure or physical damage to equipment.

## Remediation

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