---
id: CVE-2026-28745
title: >-
  Usernames and passwords, including the default credentials, are stored in the
  configuration file using weak encryption
summary: >-
  Usernames and passwords, including the default credentials, are stored in the
  configuration file using weak encryption. If the default credentials are known
  by a malicious user, they could obtain other credentials on the system.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-257
published: '2026-10-09'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T17:17:04.303'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-28745'
references:
  - url: >-
      https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json
    label: ics-cert@hq.dhs.gov
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01'
    label: ics-cert@hq.dhs.gov
  - url: 'https://www.hms-networks.com/'
    label: ics-cert@hq.dhs.gov
  - url: 'https://www.hms-networks.com/cybersecurity'
    label: ics-cert@hq.dhs.gov
tags:
  - nvd
  - cve.org
epss: 0.00217
epssPercentile: 0.12072
ingestedAt: '2026-10-09T16:02:33.387Z'
vendor: Red Lion Controls
product: 700 Series
affected:
  - 700_series < Firmware Versions 3.11.0
  - 700_series < Bootloader Versions 2.0.6.1
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-11T16:49:55.930889Z'
---

## Overview

Usernames and passwords, including the default credentials, are stored in the configuration file using weak encryption. If the default credentials are known by a malicious user, they could obtain other credentials on the system.

## Remediation

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