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Azure RTOS NetX Duo Remote Code Execution Vulnerability

Type: advisorySources: OSV

Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to snmp, smtp, ftp and dtls in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-48316
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 15:38 UTC · Revision 1

Source evidence

Azure RTOS NetX Duo Remote Code Execution Vulnerability

core-osv · Original source

Published 5 Dec 2023, 00:24 UTC

Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to snmp, smtp, ftp and dtls in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

osv:CVE-2023-48316
Complete source record
{
  "id": "b3dfbdda12d2bad3f20047f20eb2491eaba76aed7b7625705780d9e467a2e802",
  "url": "https://osv.dev/vulnerability/CVE-2023-48316",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Azure RTOS NetX Duo Remote Code Execution Vulnerability",
    "summary": "Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to snmp, smtp, ftp and dtls in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
    "evidence": "osv:CVE-2023-48316",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-48316",
      "aliases": [
        "CVE-2023-48316",
        "GHSA-3cmf-r288-xhwq"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/eclipse-threadx/netxduo",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "837b032b9c773ea32f78dfa6339a76f2df3568fb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "6.3.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v6.2.1_rel",
            "v6.2.0_rel",
            "v6.1.12_rel",
            "v6.1.11_rel",
            "v6.1.10_rel",
            "v6.1.9_rel",
            "v6.1.8_rel",
            "v6.1.7_rel",
            "v6.1.6_rel",
            "v6.1.5_rel",
            "v6.1.4_rel",
            "v6.1.3_rel",
            "v6.1.2_rel",
            "v6.1_rel",
            "v6.0.2_rel",
            "v6.0.1_rel",
            "v6.0_rel"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-48316.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.126670102Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48316.json",
        "https://github.com/azure-rtos/netxduo/security/advisories/GHSA-3cmf-r288-xhwq",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-48316"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-787",
          "CWE-825"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48316.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-48316",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504195,
  "published_at": "2023-12-05T00:24:38.924+00:00"
}