{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "5.1.0"
              },
              {
                "last_affected": "5.1.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "4f7940167d172858e37373bc330c7093e8765d5b"
            },
            {
              "last_affected": "4f7940167d172858e37373bc330c7093e8765d5b"
            }
          ],
          "repo": "https://github.com/rt-thread/rt-thread",
          "type": "GIT"
        }
      ],
      "versions": [
        "5.1.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-404",
      "CWE-476"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5867.json"
  },
  "details": "A vulnerability classified as critical was found in RT-Thread 5.1.0. This vulnerability affects the function csys_sendto of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument to leads to null pointer dereference.",
  "id": "CVE-2025-5867",
  "modified": "2026-07-15T01:49:03.276459820Z",
  "published": "2025-06-09T07:31:04.833Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5867.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5867"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.311626"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.584129"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/RT-Thread/rt-thread/issues/10299"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.311626"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "RT-Thread lwp_syscall.c csys_sendto null pointer dereference"
}