Red Lion Controls N-Tron 700 Series Insufficiently Protected Credentials
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-522.
Summary
Red Lion Controls 700 Series firmware before 3.11.0 and bootloader before 2.0.6.1 store usernames and passwords, including default factory credentials, in plaintext in the configuration file (CWE-522). A remote attacker without authentication can start a TFTP transfer of that file through SNMP, exposing the credentials.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Lion Controls | 700 Series | before Firmware Versions 3.11.0; before Bootloader Versions 2.0.6.1 | Firmware Versions 3.11.0, Bootloader Versions 2.0.6.1, 3.11.1 | Patch available | CNA |
- 700 Series VendorRed Lion Controls Affected before Firmware Versions 3.11.0; before Bootloader Versions 2.0.6.1 Fixed in Firmware Versions 3.11.0, Bootloader Versions 2.0.6.1, 3.11.1 Patch available CNA
Remediation
Fixed versions for Red Lion Controls 700 Series are firmware 3.11.0 and 3.11.1 and bootloader 2.0.6.1.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA 700 Series (Red Lion Controls) Fixed in Firmware Versions 3.11.0, Bootloader Versions 2.0.6.1, 3.11.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Red Lion Controls 700 Series Bootloader Versions 2.0.6.1, Firmware Versions 3.11.0
7 records Highest priority Priority MEDIUM 4 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-70075 Missing authentication in Red Lion N-Tron 700 Series over SNMPPriority MEDIUM 42
- TI-2026-70071 Recoverable password storage in Red Lion Controls N-Tron 700 SeriesPriority MEDIUM 41
- TI-2026-70073 Hard-coded admin credentials in Red Lion N-Tron 700 Series devicesPriority MEDIUM 40
Timeline
- 2026-10-09 Threatist record created from CVE-2026-39460
- 2026-10-13 CISA SSVC decision points changed
References
More Red Lion Controls vulnerabilities
- TI-2023-22865 Red Lion Controls Sixnet RTU Authentication Bypass Using An Alternative Path Or Channel CVSS 3.1CRITICAL 10.0
- TI-2023-21028 Red Lion Controls Sixnet RTU Exposed Dangerous Method Or Function CVSS 3.1CRITICAL 10.0
- TI-2016-07615 Hard-coded credentials in Red Lion Controls Sixnet-Managed Industrial Switches CVSS 3.0CRITICAL 10.0
- TI-2026-70075 Missing authentication in Red Lion N-Tron 700 Series over SNMP CVSS 4.0CRITICAL 9.3
- TI-2026-70071 Recoverable password storage in Red Lion Controls N-Tron 700 Series CVSS 4.0CRITICAL 9.3
- TI-2026-70073 Hard-coded admin credentials in Red Lion N-Tron 700 Series devices CVSS 4.0CRITICAL 9.2
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences