High 8.1Published Oct 9, 2026

CVE-2026-39460Red Lion Controls N-Tron 700 Series Insufficiently Protected Credentials

Updated under an hour ago (Oct 27, 2026, 4:23 AM ET)

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It affects Red Lion Controls 700 Series. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.29%, higher than 21% of scored CVEs.

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Every CVE for Red Lion Controls 700 Series

Exploited in the last 30 days

Usernames and passwords, including the default factory credentials, are stored in plaintext within the configuration file. With administrator rights, the configuration file can be viewed through the CLI or they can be exported from the device through a TFTP transfer from the web interface. A TFTP transfer can be initiated through SNMP which does not require authentication.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-522
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.29% (percentile 21)
Assigned by: icscert
NVD analysis: Awaiting Analysis
Record last updated: Oct 12, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Red Lion Controls 700 Series red_lion_controls:700_series (from the name)	before Firmware Versions 3.11.0; before Bootloader Versions 2.0.6.1; 3.11.1 not affected	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.