CVE-2026-33272
Red Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or Channel
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Red Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or Channel
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.
- Record
CVE-2026-33272- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N - CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
EUVDEUVD-2026-95815
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.
- Record
EUVD-2026-95815- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c3q8-wxh6-699q
A malicious user with physical access to the device can boot the switch from factory settings...
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.
- Record
GHSA-c3q8-wxh6-699q- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/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 - CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-33272- CVSS 4.0
- 6.8 Medium
CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/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 - CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N - Weakness
- CWE-288
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-33272 is a medium vulnerability (CVSS 6.8) in Red Lion Controls 700 Series, published October 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.