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CNVD-2025-16523

Vulnerability from cnvd - Published: 2025-07-18

Title

RT-Thread缓冲区溢出漏洞（CNVD-2025-16523）

Description

RT-Thread是RT-Thread开源的一个开源物联网实时操作系统（RTOS）。 RT-Thread存在缓冲区溢出漏洞，该漏洞源于文件rt-thread/components/lwp/lwp_syscall.c中参数timeout的操作，攻击者可利用该漏洞通过损坏内存使系统崩溃，中断服务运行。

Severity

高

Patch Name

RT-Thread缓冲区溢出漏洞（CNVD-2025-16523）的补丁

Patch Description

RT-Thread是RT-Thread开源的一个开源物联网实时操作系统（RTOS）。 RT-Thread存在缓冲区溢出漏洞，该漏洞源于文件rt-thread/components/lwp/lwp_syscall.c中参数timeout的操作，攻击者可利用该漏洞通过损坏内存使系统崩溃，中断服务运行。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://vuldb.com/?submit.584124

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-5865

Impacted products

Name
RT-Thread RT-Thread 5.1.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-5865",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-5865"
    }
  },
  "description": "RT-Thread\u662fRT-Thread\u5f00\u6e90\u7684\u4e00\u4e2a\u5f00\u6e90\u7269\u8054\u7f51\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff08RTOS\uff09\u3002\n\nRT-Thread\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6rt-thread/components/lwp/lwp_syscall.c\u4e2d\u53c2\u6570timeout\u7684\u64cd\u4f5c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u635f\u574f\u5185\u5b58\u4f7f\u7cfb\u7edf\u5d29\u6e83\uff0c\u4e2d\u65ad\u670d\u52a1\u8fd0\u884c\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://vuldb.com/?submit.584124",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-16523",
  "openTime": "2025-07-18",
  "patchDescription": "RT-Thread\u662fRT-Thread\u5f00\u6e90\u7684\u4e00\u4e2a\u5f00\u6e90\u7269\u8054\u7f51\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\uff08RTOS\uff09\u3002\r\n\r\nRT-Thread\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6rt-thread/components/lwp/lwp_syscall.c\u4e2d\u53c2\u6570timeout\u7684\u64cd\u4f5c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u635f\u574f\u5185\u5b58\u4f7f\u7cfb\u7edf\u5d29\u6e83\uff0c\u4e2d\u65ad\u670d\u52a1\u8fd0\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "RT-Thread\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2025-16523\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "RT-Thread RT-Thread 5.1.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-5865",
  "serverity": "\u9ad8",
  "submitTime": "2025-07-15",
  "title": "RT-Thread\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2025-16523\uff09"
}

CVE-2025-5865 (GCVE-0-2025-5865)

Vulnerability from cvelistv5 – Published: 2025-06-09 06:31 – Updated: 2025-06-09 13:22

Title

RT-Thread Parameter lwp_syscall.c sys_select memory corruption

Summary

A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.c of the component Parameter Handler. The manipulation of the argument timeout leads to memory corruption. The vendor explains, that "[t]he timeout parameter should be checked to check if it can be accessed correctly in kernel mode and used temporarily in kernel memory."

Severity

8.6 (High)


                        
                          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

8 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C

8 (High)


                        
                          CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-09 13:22 UTC

CWE

CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/?id.311624	vdb-entrytechnical-description
https://vuldb.com/?ctiid.311624	signaturepermissions-required
https://vuldb.com/?submit.584124	third-party-advisory
https://github.com/RT-Thread/rt-thread/issues/10298	issue-tracking
https://github.com/RT-Thread/rt-thread/issues/102…	issue-tracking

Impacted products

1 product

Vendor	Product	Version
n/a	RT-Thread	Affected: 5.1.0

Credits

Zephyr Saxon (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-5865",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-09T13:22:32.917495Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-09T13:22:44.499Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/RT-Thread/rt-thread/issues/10298"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "Parameter Handler"
          ],
          "product": "RT-Thread",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "5.1.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Zephyr Saxon (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.c of the component Parameter Handler. The manipulation of the argument timeout leads to memory corruption. The vendor explains, that \"[t]he timeout parameter should be checked to check if it can be accessed correctly in kernel mode and used temporarily in kernel memory.\""
        },
        {
          "lang": "de",
          "value": "Eine kritische Schwachstelle wurde in RT-Thread 5.1.0 ausgemacht. Hierbei geht es um die Funktion sys_select der Datei rt-thread/components/lwp/lwp_syscall.c der Komponente Parameter Handler. Mittels dem Manipulieren des Arguments timeout mit unbekannten Daten kann eine memory corruption-Schwachstelle ausgenutzt werden."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "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",
            "version": "4.0"
          }
        },
        {
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            "baseScore": 8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
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            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.7,
            "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:C",
            "version": "2.0"
          }
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        {
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      "providerMetadata": {
        "dateUpdated": "2025-06-09T06:31:23.530Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      "references": [
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          "name": "VDB-311624 | RT-Thread Parameter lwp_syscall.c sys_select memory corruption",
          "tags": [
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          "url": "https://vuldb.com/?id.311624"
        },
        {
          "name": "VDB-311624 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
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          "url": "https://vuldb.com/?ctiid.311624"
        },
        {
          "name": "Submit #584124 | RT-Thread 5.1.0 Improper Handling of Parameters",
          "tags": [
            "third-party-advisory"
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          "url": "https://vuldb.com/?submit.584124"
        },
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          "tags": [
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          "url": "https://github.com/RT-Thread/rt-thread/issues/10298"
        },
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          "tags": [
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          ],
          "url": "https://github.com/RT-Thread/rt-thread/issues/10298#issuecomment-2894952150"
        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2025-06-08T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "time": "2025-06-08T02:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2025-06-08T19:41:42.000Z",
          "value": "VulDB entry last update"
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      "title": "RT-Thread Parameter lwp_syscall.c sys_select memory corruption"
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  "cveMetadata": {
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    "datePublished": "2025-06-09T06:31:23.530Z",
    "dateReserved": "2025-06-08T17:36:27.348Z",
    "dateUpdated": "2025-06-09T13:22:44.499Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.