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CVE-2026-29797— Red Lion Controls N-Tron 700 Series Download of Code Without Integrity Check

Quick assessment

Affected
Red Lion Controls 700 Series
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在更新固件或引导加载程序时，无需进行身份验证，这使得恶意文件很容易被推送到设备中。此外，任何拥有相同软件的人都可以扫描网络上的 N-Tron 设备，并通过使用 SNMP/TFTP 推送或拉取固件，而无需进行身份验证。

CVSS 7.1 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-29797

Vulnerability Information
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Vulnerability Title
Red Lion Controls N-Tron 700 Series Download of Code Without Integrity Check
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Lion Controls 700 Series 0 ~ Firmware Versions 3.11.0 -

II. Public POCs for CVE-2026-29797

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-29797

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Other References for CVE-2026-29797 (4)

Same Patch Batch · Red Lion Controls · 2026-10-09 · 7 CVEs total

CVE-2026-39453 8.3 HIGH Red Lion Controls N-Tron 700 Series Reachable Assertion
CVE-2026-39460 8.1 HIGH Red Lion Controls N-Tron 700 Series Insufficiently Protected Credentials
CVE-2026-33367 8.1 HIGH Red Lion Controls N-Tron 700 Series Missing Authentication for Critical Function
CVE-2026-28745 7.5 HIGH Red Lion Controls N-Tron 700 Series Storing Passwords in a Recoverable Format
CVE-2026-32645 6.0 MEDIUM Red Lion Controls N-Tron 700 Series Use of Hard-Coded Credentials
CVE-2026-33272 4.9 MEDIUM Red Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or Chann

IV. Related Vulnerabilities

Same product: 700 Series
Same vendor: Red Lion Controls
Same weakness: CWE-494

V. Comments for CVE-2026-29797

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