CVE-2026-33272
Red Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or Channel
Red Lion Controls 700 Series
CVSS
4.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.15%Chance of exploitation activity in the next 30 days, higher than 3% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
A malicious user with physical access to the device can boot the switch from factory settings without authentication, use the default administrative credentials to obtain administrative access, and save changes to the configuration file so that they persist next time the switch boots normally.
Text from CVE List
Affected versions 3
- 700 Seriesaffected: all versions before Firmware Versions 3.11.0CVE List
- 700 Seriesaffected: all versions before Bootloader Versions 2.0.6.1CVE List
- 700 Seriesunaffected: 3.11.1CVE List