CVE-2026-39460 Red Lion Controls N-Tron 700 Series Insufficiently Protected Credentials
Attackers can retrieve plaintext credentials via unauthenticated SNMP-triggered TFTP transfers, leading to unauthorized access and data exposure on Red Lion N-Tron devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-39460?
CVE-2026-39460 is a critical vulnerability in Red Lion Controls 700 Series, published on 9 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-522
Which versions are affected by CVE-2026-39460?
How do I fix CVE-2026-39460?
No fix has been published for CVE-2026-39460 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-39460 being exploited?
There is no known exploitation of CVE-2026-39460 in the wild and no public exploit code.
Sources
Also known as GHSA-m3xp-3gmv-xj2x.