---
id: CVE-2026-77847
title: >-
  Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a
  use of hard-coded credential vulnerability
summary: >-
  Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a
  use of hard-coded credential vulnerability. This could allow an attacker to
  intercept sensitive information or credentials.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-798
vendor: Tycon Systems
product: TPDIN-Monitor-WEB3
affected:
  - TPDIN-Monitor-WEB3 <= 2.2.9
published: '2026-09-04'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T10:21:31.733'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77847'
references:
  - url: >-
      https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw
    label: ics-cert@hq.dhs.gov
  - url: >-
      https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex
    label: ics-cert@hq.dhs.gov
  - url: >-
      https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-08.json
    label: ics-cert@hq.dhs.gov
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-08'
    label: ics-cert@hq.dhs.gov
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-08T14:46:53.426496Z'
epss: 0.0033
epssPercentile: 0.23398
ingestedAt: '2026-09-08T15:33:26.964Z'
---

## Overview

Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a use of hard-coded credential vulnerability. This could allow an attacker to intercept sensitive information or credentials.

## Remediation

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