CVE-2026-39453— Red Lion Controls N-Tron 700 Series Reachable Assertion
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.
访问交换机 Web 服务器上的某个特定 URL 会导致交换机重启。可以通过使用 curl 等工具自动化此攻击，从而造成拒绝服务（DoS）条件，使交换机不断重启。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-39453
Vulnerability Information
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Vulnerability Title
Red Lion Controls N-Tron 700 Series Reachable Assertion
Source: CVE Program / CVE List V5
Vulnerability Description
Navigating to a certain URL on the switch’s web server causes the switch to reboot. This can be automated using a tool like curl to create DoS conditions where the switch constantly reboots.
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
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-2026-39453
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2026-39453 (4)
Same Patch Batch · Red Lion Controls · 2026-10-09 · 7 CVEs total
| 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-2026-29797 | 7.1 HIGH | Red Lion Controls N-Tron 700 Series Download of Code Without Integrity Check |
| 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
-
CVE-2026-33272
Red Lion Controls N-Tron 700 Series Authentication Bypass Us -
CVE-2026-29797
Red Lion Controls N-Tron 700 Series Download of Code Without -
CVE-2026-33367
Red Lion Controls N-Tron 700 Series Missing Authentication f -
CVE-2026-28745
Red Lion Controls N-Tron 700 Series Storing Passwords in a R -
CVE-2026-39460
Red Lion Controls N-Tron 700 Series Insufficiently Protected
Same vendor: Red Lion Controls
-
CVE-2026-33272
Red Lion Controls N-Tron 700 Series Authentication Bypass Us -
CVE-2026-29797
Red Lion Controls N-Tron 700 Series Download of Code Without -
CVE-2026-33367
Red Lion Controls N-Tron 700 Series Missing Authentication f -
CVE-2026-28745
Red Lion Controls N-Tron 700 Series Storing Passwords in a R -
CVE-2026-39460
Red Lion Controls N-Tron 700 Series Insufficiently Protected
Same weakness: CWE-617
-
CVE-2026-102916
Reachable assertion in illumos bhyve REP string instruction -
CVE-2026-108105
Open5GS through 2.8.0 MME Reachable Assertion via GTPv1 SGSN -
CVE-2026-105753
vLLM: Mirrored multimodal IPC caches desync after a rejected -
CVE-2026-19395
An empty <img> attribute value in styled text triggers a par -
CVE-2026-20525
MOLY Modem输入验证缺陷致远程DoS漏洞
V. Comments for CVE-2026-39453
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