CVE-2026-39460: critical vulnerability in Red Lion Controls 700 Series
Red Lion Controls N-Tron 700 Series Insufficiently Protected Credentials
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3epss 0.3%
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Affected products
Red Lion Controls · 700 SeriesRelated CVEs — Red Lion Controls 700 Series
In the same product, most dangerous first.
CVE-2026-33367CRITICALRed Lion Controls N-Tron 700 Series Missing Authentication for Critical FunctionEPSS 0.3%CVE-2026-39453HIGHRed Lion Controls N-Tron 700 Series Reachable AssertionEPSS 0.3%CVE-2026-28745CRITICALRed Lion Controls N-Tron 700 Series Storing Passwords in a Recoverable FormatEPSS 0.2%CVE-2026-29797HIGHRed Lion Controls N-Tron 700 Series Download of Code Without Integrity CheckEPSS 0.2%CVE-2026-33272MEDIUMRed Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or ChannelEPSS 0.1%CVE-2026-32645CRITICALRed Lion Controls N-Tron 700 Series Use of Hard-Coded CredentialsEPSS 0.1%