CVE-2026-28745
Red Lion Controls N-Tron 700 Series Storing Passwords in a Recoverable Format
- Published
- Updated
- Reserved
- Assigned by
- icscert
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.
Timeline
ID reserved
By icscert
- 6 months later
· 6 months later
Published
- 2 days later
· 2 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 4.0 | Critical9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| icscertCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Awaiting Analysis | 4.0 | Critical9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.22% · top 88% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.
Weakness
Affected products
Red Lion Controls · 700 Series
- affected < Firmware Versions 3.11.0
- affected < Bootloader Versions 2.0.6.1
- unaffected 3.11.1
What to do
Solution: Red Lion controls recommends the following upgrades for the N-Tron 700 Series: * Upgrade to firmware version 3.11.1 or greater * Configure or disable the SNMP communities * Disable access to the web GUI The upgrade procedure document can be viewed here https://www.hms-networks.com/ . The advisory issued by HMS Networks regarding these vulnerabilities can be viewed here https://www.hms-networks.com/cybersecurity .
References (4)
- https://www.hms-networks.com/ (opens in a new tab)
- https://www.hms-networks.com/cybersecurity (opens in a new tab)
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01 (opens in a new tab)
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-28745)Record last updated .