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CVE-2023-48691— Azure RTOS NetX Duo Remote Code Execution Vulnerability

Quick assessment

Affected
azure-rtos netxduo
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Azure RTOS NetX Duo是Azure RTOS开源的一种高级的行业级TCP/IP 网络堆栈。 Azure RTOS NetX Duo 6.3.0之前版本存在缓冲区错误漏洞，该漏洞源于存在越界写入漏洞，攻击者利用该漏洞可能会导致远程代码执行。

CVSS 8.1 · High EPSS 3.11% · P87
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I. Basic Information for CVE-2023-48691

Vulnerability Information
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Vulnerability Title
Azure RTOS NetX Duo Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause an out-of-bounds write in Azure RTOS NETX Duo, that could lead to remote code execution. The affected components include process related to IGMP protocol in RTOS v6.2.1 and below. The fix has been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Azure RTOS NetX Duo 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Azure RTOS NetX Duo是Azure RTOS开源的一种高级的行业级TCP/IP 网络堆栈。 Azure RTOS NetX Duo 6.3.0之前版本存在缓冲区错误漏洞，该漏洞源于存在越界写入漏洞，攻击者利用该漏洞可能会导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
azure-rtos netxduo < 6.3.0 -

II. Public POCs for CVE-2023-48691

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10320 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2023-48691

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Vendor Advisories for CVE-2023-48691 (1)

Same Patch Batch · azure-rtos · 2023-12-05 · 10 CVEs total

CVE-2023-48316 9.8 CRITICAL Azure RTOS NetX Duo Remote Code Execution Vulnerability
CVE-2023-48692 9.1 CRITICAL Azure RTOS NetX Duo Remote Code Execution Vulnerability
CVE-2023-48315 8.8 HIGH Azure RTOS NetX Duo Remote Code Execution Vulnerability
CVE-2023-48693 8.7 HIGH Azure RTOS ThreadX Remote Code Execution Vulnerability
CVE-2023-48695 7.2 HIGH Azure RTOS USBX Remote Code Execution Vulnerability
CVE-2023-48694 6.8 MEDIUM Azure RTOS USBX Remote Code Execution Vulnerability
CVE-2023-48698 6.8 MEDIUM Azure RTOS USBX Remote Code Execution Vulnerability
CVE-2023-48696 6.7 MEDIUM Azure RTOS USBX Remote Code Execution Vulnerability
CVE-2023-48697 6.4 MEDIUM Azure RTOS USBX Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: netxduo
Same vendor: azure-rtos
Same weakness: CWE-787

V. Comments for CVE-2023-48691

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