cnvd - cnvd-2025-27265

cnvd-2025-27265

Vulnerability from cnvd

Title

TOTOLINK A7000R sub_421A04函数堆栈缓冲区溢出漏洞

Description

TOTOLINK A7000R是中国吉翁电子（TOTOLINK）公司推出的一款无线路由器，支持WiFi7技术，适用于家庭或小型企业网络环境。 TOTOLINK A7000R存在堆栈缓冲区溢出漏洞，该漏洞源于sub_421A04函数中wifiOff参数未能正确验证输入数据的长度大小，攻击者可利用该漏洞导致拒绝服务。

Severity

高

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://www.totolink.net/

Reference

https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md

Impacted products

Name
TOTOLINK A7000R V9.1.0u.6115_B20201022

Show details on source website

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-63462",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-63462"
    }
  },
  "description": "TOTOLINK A7000R\u662f\u4e2d\u56fd\u5409\u7fc1\u7535\u5b50\uff08TOTOLINK\uff09\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\uff0c\u652f\u6301WiFi7\u6280\u672f\uff0c\u9002\u7528\u4e8e\u5bb6\u5ead\u6216\u5c0f\u578b\u4f01\u4e1a\u7f51\u7edc\u73af\u5883\u3002\n\nTOTOLINK A7000R\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8esub_421A04\u51fd\u6570\u4e2dwifiOff\u53c2\u6570\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\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\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.totolink.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-27265",
  "openTime": "2025-11-07",
  "products": {
    "product": "TOTOLINK A7000R V9.1.0u.6115_B20201022"
  },
  "referenceLink": "https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md",
  "serverity": "\u9ad8",
  "submitTime": "2025-11-05",
  "title": "TOTOLINK A7000R sub_421A04\u51fd\u6570\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2025-63462 (GCVE-0-2025-63462)

Vulnerability from cvelistv5

Published

2025-10-31 00:00

Modified

2025-11-03 14:53

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

n/a

Summary

Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the wifiOff parameter in the sub_421A04 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

References

URL

Tags

https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

To clipboard

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              "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"
            }
          },
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              "content": {
                "id": "CVE-2025-63462",
                "options": [
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                  },
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                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-03T14:32:21.972318Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-121",
                "description": "CWE-121 Stack-based Buffer Overflow",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-03T14:53:45.168Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
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              "version": "n/a"
            }
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the wifiOff parameter in the sub_421A04 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2025-10-31T16:45:08.392Z",
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      "references": [
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          "url": "https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/3/1.md"
        }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "datePublished": "2025-10-31T00:00:00.000Z",
    "dateReserved": "2025-10-27T00:00:00.000Z",
    "dateUpdated": "2025-11-03T14:53:45.168Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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