CVE-2026-29797 Red Lion Controls N-Tron 700 Series Download of Code Without Integrity Check
Unauthenticated attackers can push malicious firmware to Red Lion N-Tron devices via SNMP/TFTP, leading to remote code execution and full device compromise.
- 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-2026-29797?
CVE-2026-29797 is a high-severity missing authorization 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
No authentication is required when updating firmware or bootloader, making it easy for malicious files to be pushed to the device. Additionally, anyone with the same software can scan a network for N-Tron devices and push/pull firmware without authenticating by using SNMP/TFTP.
Weakness: CWE-494
Which versions are affected by CVE-2026-29797?
How do I fix CVE-2026-29797?
No fix has been published for CVE-2026-29797 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-29797 being exploited?
There is no known exploitation of CVE-2026-29797 in the wild and no public exploit code.
Sources
Also known as GHSA-p567-rmrg-wwq4.