What’s Vulnerable › Vulnerabilities

CVE-2026-28745: Red Lion Controls N-Tron 700 Series Storing Passwords in a Recoverable Format

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-09 · updated 2026-10-11
• Weakness: CWE-257

Description

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.

Affected products

• Red Lion Controls 700 Series: before Firmware Versions 3.11.0; before Bootloader Versions 2.0.6.1 — fixed in Bootloader Versions 2.0.6.1, Firmware Versions 3.11.0

How to fix

Upgrade to a fixed version: Red Lion Controls 700 Series Bootloader Versions 2.0.6.1, Firmware Versions 3.11.0. Check the vendor advisory for mitigations.

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01
• https://www.hms-networks.com/
• https://www.hms-networks.com/cybersecurity

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