Vulnerability-Lookup

CNVD-2025-15272

Vulnerability from cnvd - Published: 2025-07-08

Title

Tenda AC5堆栈缓冲区溢出漏洞

Description

Tenda AC5是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC5存在堆栈缓冲区溢出漏洞，该漏洞源于文件/goform/openSchedWifi中参数schedStartTime和schedEndTime未能正确验证输入数据的长度大小，攻击者可利用该漏洞在系统上执行任意代码或者导致拒绝服务。

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/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-6886

Impacted products

Name
Tenda AC5 15.03.06.47

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-6886",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-6886"
    }
  },
  "description": "Tenda AC5\u662f\u4e2d\u56fd\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda AC5\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6587\u4ef6/goform/openSchedWifi\u4e2d\u53c2\u6570schedStartTime\u548cschedEndTime\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u8f93\u5165\u6570\u636e\u7684\u957f\u5ea6\u5927\u5c0f\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u8005\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/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-15272",
  "openTime": "2025-07-08",
  "products": {
    "product": "Tenda AC5 15.03.06.47"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-6886",
  "serverity": "\u9ad8",
  "submitTime": "2025-07-04",
  "title": "Tenda AC5\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2025-6886 (GCVE-0-2025-6886)

Vulnerability from cvelistv5 – Published: 2025-06-30 04:02 – Updated: 2025-06-30 16:27

Title

Tenda AC5 openSchedWifi stack-based overflow

Summary

A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

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/E:P

8.8 (High)


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

8.8 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-30 16:27 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/?id.314365	vdb-entrytechnical-description
https://vuldb.com/?ctiid.314365	signaturepermissions-required
https://vuldb.com/?submit.603774	third-party-advisory
https://vuldb.com/?submit.603775	third-party-advisory
https://lavender-bicycle-a5a.notion.site/Tenda-AC…	related
https://lavender-bicycle-a5a.notion.site/Tenda-AC…	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	AC5	Affected: 15.03.06.47

Credits

wxhwxhwxh_ (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-6886",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-30T16:27:27.047025Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-30T16:27:50.848Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "AC5",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "15.03.06.47"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "wxhwxhwxh_ (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used."
        },
        {
          "lang": "de",
          "value": "In Tenda AC5 15.03.06.47 wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Es geht um eine nicht n\u00e4her bekannte Funktion der Datei /goform/openSchedWifi. Durch das Manipulieren des Arguments schedStartTime/schedEndTime mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \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/E:P",
            "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/E:P/RL:X/RC:R",
            "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/E:P/RL:X/RC:R",
            "version": "3.0"
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        },
        {
          "cvssV2_0": {
            "baseScore": 9,
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      "providerMetadata": {
        "dateUpdated": "2025-06-30T04:02:23.680Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      },
      "references": [
        {
          "name": "VDB-314365 | Tenda AC5 openSchedWifi stack-based overflow",
          "tags": [
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            "technical-description"
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          "url": "https://vuldb.com/?id.314365"
        },
        {
          "name": "VDB-314365 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.314365"
        },
        {
          "name": "Submit #603774 | Tenda AC5 V1.0 V15.03.06.47 Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.603774"
        },
        {
          "name": "Submit #603775 | Tenda AC5 V1.0 V15.03.06.47 Buffer Overflow (Duplicate)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.603775"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://lavender-bicycle-a5a.notion.site/Tenda-AC5-setSchedWifi_schedEndTime-21d53a41781f80fb8a90f08898e8d404?source=copy_link"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://lavender-bicycle-a5a.notion.site/Tenda-AC5-setSchedWifi_schedStartTime-21d53a41781f803f97eeddd9828c5c84?source=copy_link"
        },
        {
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          "url": "https://www.tenda.com.cn/"
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          "value": "Advisory disclosed"
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          "time": "2025-06-28T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-06-28T17:03:41.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda AC5 openSchedWifi stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-6886",
    "datePublished": "2025-06-30T04:02:23.680Z",
    "dateReserved": "2025-06-28T14:58:38.446Z",
    "dateUpdated": "2025-06-30T16:27:50.848Z",
    "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.