by Kastro
Paper/Archive/CVE-2026-39460

CVE-2026-39460

Red Lion Controls 700 Series — Red Lion Controls N-Tron 700 Series Insufficiently Protected Credentials

EPSS 0.3%CVSS 9.3
critical.is priorityof 100
32
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 21.7.217 × 204.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
700 Series< Firmware Versions 3.11.0Firmware Versions 3.11.0CNA
700 Series< Bootloader Versions 2.0.6.1Bootloader Versions 2.0.6.1CNA

Scores by source

icscert (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
icscert (CNA)8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refhms-networks.comrefhms-networks.com/cybersecurityrefcisa.gov/news-events/ics-advisories/icsa-26-281-01refgithub.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json