Vulnerability-Lookup

CNVD-2022-87933

Vulnerability from cnvd - Published: 2022-12-16

Title

Tenda AC1206 setSchedWifi函数sched_end_time缓冲区溢出漏洞

Description

AC1206是一款WAN口和LAN口均采用千兆端口设计的高性能路由器。 Tenda AC1206固件US_AC1206V1.0RTL_V15.03.06.23_multi_TD01版本存在缓冲区溢出漏洞，该漏洞源于/bin/httpd文件中/goform/openSchedWifi中setSchedWifi函数sched_end_time参数缺乏对于输入数据的长度验证，攻击者可利用漏洞导致拒绝服务。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.tenda.com.cn/default.html

Reference

https://github.com/tianhui999/myCVE/blob/main/AC1206/AC1206-5.md

Impacted products

Name
Tenda Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23_multi_TD01

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-42081",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-42081"
    }
  },
  "description": "AC1206\u662f\u4e00\u6b3eWAN\u53e3\u548cLAN\u53e3\u5747\u91c7\u7528\u5343\u5146\u7aef\u53e3\u8bbe\u8ba1\u7684\u9ad8\u6027\u80fd\u8def\u7531\u5668\u3002\n\nTenda AC1206\u56fa\u4ef6US_AC1206V1.0RTL_V15.03.06.23_multi_TD01\u7248\u672c\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/bin/httpd\u6587\u4ef6\u4e2d/goform/openSchedWifi\u4e2dsetSchedWifi\u51fd\u6570sched_end_time\u53c2\u6570\u7f3a\u4e4f\u5bf9\u4e8e\u8f93\u5165\u6570\u636e\u7684\u957f\u5ea6\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.tenda.com.cn/default.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-87933",
  "openTime": "2022-12-16",
  "products": {
    "product": "Tenda Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23_multi_TD01"
  },
  "referenceLink": "https://github.com/tianhui999/myCVE/blob/main/AC1206/AC1206-5.md",
  "serverity": "\u9ad8",
  "submitTime": "2022-10-14",
  "title": "Tenda AC1206 setSchedWifi\u51fd\u6570sched_end_time\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2022-42081 (GCVE-0-2022-42081)

Vulnerability from cvelistv5 – Published: 2022-10-12 00:00 – Updated: 2025-05-15 15:36

Summary

Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23_multi_TD01 was discovered to contain a stack overflow via sched_end_time parameter.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-15 15:36 UTC

CWE

n/a
CWE-787 - Out-of-bounds Write

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/tianhui999/myCVE/blob/main/AC1…

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T13:03:44.096Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/tianhui999/myCVE/blob/main/AC1206/AC1206-5.md"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-42081",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-15T15:36:22.171909Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-15T15:36:42.897Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Tenda AC1206 US_AC1206V1.0RTL_V15.03.06.23_multi_TD01 was discovered to contain a stack overflow via sched_end_time parameter."
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-12T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/tianhui999/myCVE/blob/main/AC1206/AC1206-5.md"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-42081",
    "datePublished": "2022-10-12T00:00:00.000Z",
    "dateReserved": "2022-10-03T00:00:00.000Z",
    "dateUpdated": "2025-05-15T15:36:42.897Z",
    "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.