Vulnerability-Lookup

CNVD-2026-04911

Vulnerability from cnvd - Published: 2026-01-19

Title

Tenda O3 fromDhcpSetSer函数堆栈缓冲区溢出漏洞

Description

Tenda O3是腾达（Tenda）推出的一款专为户外远距离点对点无线传输设计的无线网桥设备。 Tenda O3存在堆栈缓冲区溢出漏洞，该漏洞源于对fromDhcpSetSer函数中参数dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway的操作会导致基于堆栈的缓冲区溢出。攻击者可利用该漏洞导致任意代码执行、设备控制权获取，甚至使设备崩溃或无法正常工作等严重后果。

Severity

高

Patch Name

Tenda O3 fromDhcpSetSer函数堆栈缓冲区溢出漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网: https://www.tenda.com.cn/download/detail-2941.html

Reference

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md https://vuldb.com/?ctiid.272118 https://vuldb.com/?id.272118

Impacted products

Name
Tenda O3 1.0.0.10

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-6964",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-6964"
    }
  },
  "description": "Tenda O3\u662f\u817e\u8fbe\uff08Tenda\uff09\u63a8\u51fa\u7684\u4e00\u6b3e\u4e13\u4e3a\u6237\u5916\u8fdc\u8ddd\u79bb\u70b9\u5bf9\u70b9\u65e0\u7ebf\u4f20\u8f93\u8bbe\u8ba1\u7684\u65e0\u7ebf\u7f51\u6865\u8bbe\u5907\u3002\n\nTenda O3\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9fromDhcpSetSer\u51fd\u6570\u4e2d\u53c2\u6570dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway\u7684\u64cd\u4f5c\u4f1a\u5bfc\u81f4\u57fa\u4e8e\u5806\u6808\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3001\u8bbe\u5907\u63a7\u5236\u6743\u83b7\u53d6\uff0c\u751a\u81f3\u4f7f\u8bbe\u5907\u5d29\u6e83\u6216\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u7b49\u4e25\u91cd\u540e\u679c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51:\r\nhttps://www.tenda.com.cn/download/detail-2941.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-04911",
  "openTime": "2026-01-19",
  "patchDescription": "Tenda O3\u662f\u817e\u8fbe\uff08Tenda\uff09\u63a8\u51fa\u7684\u4e00\u6b3e\u4e13\u4e3a\u6237\u5916\u8fdc\u8ddd\u79bb\u70b9\u5bf9\u70b9\u65e0\u7ebf\u4f20\u8f93\u8bbe\u8ba1\u7684\u65e0\u7ebf\u7f51\u6865\u8bbe\u5907\u3002\r\n\r\nTenda O3\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9fromDhcpSetSer\u51fd\u6570\u4e2d\u53c2\u6570dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway\u7684\u64cd\u4f5c\u4f1a\u5bfc\u81f4\u57fa\u4e8e\u5806\u6808\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u4efb\u610f\u4ee3\u7801\u6267\u884c\u3001\u8bbe\u5907\u63a7\u5236\u6743\u83b7\u53d6\uff0c\u751a\u81f3\u4f7f\u8bbe\u5907\u5d29\u6e83\u6216\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u7b49\u4e25\u91cd\u540e\u679c\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": "Tenda O3 fromDhcpSetSer\u51fd\u6570\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Tenda O3 1.0.0.10"
  },
  "referenceLink": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md\r\nhttps://vuldb.com/?ctiid.272118\r\nhttps://vuldb.com/?id.272118",
  "serverity": "\u9ad8",
  "submitTime": "2024-07-23",
  "title": "Tenda O3 fromDhcpSetSer\u51fd\u6570\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2024-6964 (GCVE-0-2024-6964)

Vulnerability from cvelistv5 – Published: 2024-07-22 01:00 – Updated: 2024-08-01 21:45

Title

Tenda O3 fromDhcpSetSer stack-based overflow

Summary

A vulnerability, which was classified as critical, was found in Tenda O3 1.0.0.10. Affected is the function fromDhcpSetSer. The manipulation of the argument dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-272118 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


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

8.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-24 16:59 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/?id.272118	vdb-entrytechnical-description
https://vuldb.com/?ctiid.272118	signaturepermissions-required
https://vuldb.com/?submit.374585	third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blo…	exploit

Impacted products

2 products

Vendor	Product	Version
Tenda	O3	Affected: 1.0.0.10
tenda	03v2.0_firmware	Affected: 1.0.0.10 cpe:2.3:o:tenda:03v2.0_firmware:1.0.0.10:::::::*

Credits

yhryhryhr_tu (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:tenda:03v2.0_firmware:1.0.0.10:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "03v2.0_firmware",
            "vendor": "tenda",
            "versions": [
              {
                "status": "affected",
                "version": "1.0.0.10"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-6964",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-24T16:59:47.282905Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-24T17:03:03.402Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T21:45:38.426Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "VDB-272118 | Tenda O3 fromDhcpSetSer stack-based overflow",
            "tags": [
              "vdb-entry",
              "technical-description",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.272118"
          },
          {
            "name": "VDB-272118 | CTI Indicators (IOB, IOC, IOA)",
            "tags": [
              "signature",
              "permissions-required",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?ctiid.272118"
          },
          {
            "name": "Submit #374585 | Tenda O3V2.0 V1.0.0.10(2478) Buffer Overflow",
            "tags": [
              "third-party-advisory",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?submit.374585"
          },
          {
            "tags": [
              "exploit",
              "x_transferred"
            ],
            "url": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "O3",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.10"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "yhryhryhr_tu (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability, which was classified as critical, was found in Tenda O3 1.0.0.10. Affected is the function fromDhcpSetSer. The manipulation of the argument dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-272118 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Es wurde eine Schwachstelle in Tenda O3 1.0.0.10 gefunden. Sie wurde als kritisch eingestuft. Dabei betrifft es die Funktion fromDhcpSetSer. Dank der Manipulation des Arguments dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121 Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-22T01:00:06.939Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-272118 | Tenda O3 fromDhcpSetSer stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.272118"
        },
        {
          "name": "VDB-272118 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.272118"
        },
        {
          "name": "Submit #374585 | Tenda O3V2.0 V1.0.0.10(2478) Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.374585"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-07-21T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2024-07-21T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-07-21T15:32:43.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda O3 fromDhcpSetSer stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2024-6964",
    "datePublished": "2024-07-22T01:00:06.939Z",
    "dateReserved": "2024-07-21T13:27:31.066Z",
    "dateUpdated": "2024-08-01T21:45:38.426Z",
    "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.