Vulnerability-Lookup

CNVD-2025-21362

Vulnerability from cnvd - Published: 2025-09-15

Title

Tenda AC7缓冲区溢出漏洞

Description

Tenda AC7是腾达（Tenda）推出的一款1200M双频无线路由器，专为宽带升级和大户型家庭设计。 Tenda AC7存在缓冲区溢出漏洞，该漏洞源于formQuickIndex方法的PPPOEPassword参数存在缓冲区溢出漏洞。目前没有详细的漏洞细节提供。

Severity

高

Patch Name

Tenda AC7缓冲区溢出漏洞的补丁

Patch Description

Tenda AC7是腾达（Tenda）推出的一款1200M双频无线路由器，专为宽带升级和大户型家庭设计。 Tenda AC7存在缓冲区溢出漏洞，该漏洞源于formQuickIndex方法的PPPOEPassword参数存在缓冲区溢出漏洞。目前没有详细的漏洞细节提供。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

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-2776.html

Reference

https://vuldb.com/?id.257934 https://vuldb.com/?ctiid.257934 https://vuldb.com/?submit.300354 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC7/v1/formQuickIndex.md https://cxsecurity.com/cveshow/CVE-2024-2891/

Impacted products

Name
Tenda AC7 15.03.06.44

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-2891",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-2891"
    }
  },
  "description": "Tenda AC7\u662f\u817e\u8fbe\uff08Tenda\uff09\u63a8\u51fa\u7684\u4e00\u6b3e1200M\u53cc\u9891\u65e0\u7ebf\u8def\u7531\u5668\uff0c\u4e13\u4e3a\u5bbd\u5e26\u5347\u7ea7\u548c\u5927\u6237\u578b\u5bb6\u5ead\u8bbe\u8ba1\u3002\n\nTenda AC7\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eformQuickIndex\u65b9\u6cd5\u7684PPPOEPassword\u53c2\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\uff1a\r\nhttps://www.tenda.com.cn/download/detail-2776.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-21362",
  "openTime": "2025-09-15",
  "patchDescription": "Tenda AC7\u662f\u817e\u8fbe\uff08Tenda\uff09\u63a8\u51fa\u7684\u4e00\u6b3e1200M\u53cc\u9891\u65e0\u7ebf\u8def\u7531\u5668\uff0c\u4e13\u4e3a\u5bbd\u5e26\u5347\u7ea7\u548c\u5927\u6237\u578b\u5bb6\u5ead\u8bbe\u8ba1\u3002\r\n\r\nTenda AC7\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eformQuickIndex\u65b9\u6cd5\u7684PPPOEPassword\u53c2\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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 AC7\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Tenda AC7 15.03.06.44"
  },
  "referenceLink": "https://vuldb.com/?id.257934\r\nhttps://vuldb.com/?ctiid.257934\r\nhttps://vuldb.com/?submit.300354\r\nhttps://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC7/v1/formQuickIndex.md\r\nhttps://cxsecurity.com/cveshow/CVE-2024-2891/",
  "serverity": "\u9ad8",
  "submitTime": "2024-03-28",
  "title": "Tenda AC7\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2024-2891 (GCVE-0-2024-2891)

Vulnerability from cvelistv5 – Published: 2024-03-26 14:00 – Updated: 2024-08-01 19:25

Title

Tenda AC7 QuickIndex formQuickIndex stack-based overflow

Summary

A vulnerability, which was classified as critical, was found in Tenda AC7 15.03.06.44. Affected is the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword 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-257934 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Severity ?

8.8 (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

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.257934	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.257934	signaturepermissions-required
	https://vuldb.com/?submit.300354	third-party-advisory
	https://github.com/abcdefg-png/IoT-vulnerable/blo…	exploit

Impacted products

	Vendor	Product	Version
	Tenda	AC7	Affected: 15.03.06.44

Credits

wxhwxhwxh_miemie (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:tenda:ac7_firmware:15.03.06.44:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "ac7_firmware",
            "vendor": "tenda",
            "versions": [
              {
                "status": "affected",
                "version": "15.03.06.44"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-2891",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-01T18:36:55.001433Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-01T18:37:43.390Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T19:25:42.202Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "VDB-257934 | Tenda AC7 QuickIndex formQuickIndex stack-based overflow",
            "tags": [
              "vdb-entry",
              "technical-description",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.257934"
          },
          {
            "name": "VDB-257934 | CTI Indicators (IOB, IOC, IOA)",
            "tags": [
              "signature",
              "permissions-required",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?ctiid.257934"
          },
          {
            "name": "Submit #300354 | Tenda AC7 AC7V1.0 V15.03.06.44 buffer overflow",
            "tags": [
              "third-party-advisory",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?submit.300354"
          },
          {
            "tags": [
              "exploit",
              "x_transferred"
            ],
            "url": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC7/v1/formQuickIndex.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "AC7",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "15.03.06.44"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "wxhwxhwxh_miemie (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability, which was classified as critical, was found in Tenda AC7 15.03.06.44. Affected is the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword 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-257934 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 AC7 15.03.06.44 gefunden. Sie wurde als kritisch eingestuft. Betroffen hiervon ist die Funktion formQuickIndex der Datei /goform/QuickIndex. Mittels Manipulieren des Arguments PPPOEPassword mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff \u00fcber das Netzwerk. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "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": "2024-03-26T14:00:07.492Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-257934 | Tenda AC7 QuickIndex formQuickIndex stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.257934"
        },
        {
          "name": "VDB-257934 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.257934"
        },
        {
          "name": "Submit #300354 | Tenda AC7 AC7V1.0 V15.03.06.44 buffer overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.300354"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC7/v1/formQuickIndex.md"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-03-26T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2024-03-26T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-03-26T10:30:30.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda AC7 QuickIndex formQuickIndex stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2024-2891",
    "datePublished": "2024-03-26T14:00:07.492Z",
    "dateReserved": "2024-03-26T09:25:25.245Z",
    "dateUpdated": "2024-08-01T19:25:42.202Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2025-21362

CVE-2024-2891 (GCVE-0-2024-2891)

Tags

Sightings

Nomenclature