8.4
HIGH CVSS 4.0
CVE-2026-29797
Red Lion Controls N-Tron 700 Series Download of Code Without Integrity Check
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.

INFO

Published Date :

Oct. 9, 2026, 3:17 p.m.

Last Modified :

Oct. 9, 2026, 3:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-29797 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
CVSS 3.1 HIGH MITRE-CVE
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
CVSS 4.0 HIGH [email protected]
Solution
Enforce authentication for firmware updates and restrict SNMP/TFTP access.
  • Implement authentication for firmware and bootloader updates.
  • Restrict SNMP and TFTP access to authorized users.
  • Update device firmware to the latest secure version.
  • Configure network access controls for device management.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-29797.

URL Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01
https://www.hms-networks.com/
https://www.hms-networks.com/cybersecurity
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-29797 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-29797 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-29797 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 09, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
    Added CWE CWE-494
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/29xxx/CVE-2026-29797.json">CVE-2026-29797</a>
    Added Reference https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.json
    Added Reference https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01
    Added Reference https://www.hms-networks.com/
    Added Reference https://www.hms-networks.com/cybersecurity
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.