cnvd - cnvd-2025-27897

CNVD-2025-27897

Vulnerability from cnvd - Published: 2025-11-14

Title

Tenda AC23越界写入漏洞

Description

Tenda AC23是腾达推出的家用双频无线路由器，主打大户型覆盖和高速传输，支持802.11acWave2技术，双频并发速率最高达2033Mbps。 Tenda AC23存在越界写入漏洞，该漏洞源于/bin/httpd文件中的formSetSysToolDDNS/formGetSysToolDDNS功能，目前没有详细漏洞细节提供。

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.tenda.com.cn/

Reference

https://www.tenda.com.cn/download/detail-3420.html

Impacted products

Name
Tenda Tenda AC23 16.03.07.45

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2023-0782",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2023-0782"
    }
  },
  "description": "Tenda AC23\u662f\u817e\u8fbe\u63a8\u51fa\u7684\u5bb6\u7528\u53cc\u9891\u65e0\u7ebf\u8def\u7531\u5668\uff0c\u4e3b\u6253\u5927\u6237\u578b\u8986\u76d6\u548c\u9ad8\u901f\u4f20\u8f93\uff0c\u652f\u6301802.11acWave2\u6280\u672f\uff0c\u53cc\u9891\u5e76\u53d1\u901f\u7387\u6700\u9ad8\u8fbe2033Mbps\u3002\n\nTenda AC23\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/bin/httpd\u6587\u4ef6\u4e2d\u7684formSetSysToolDDNS/formGetSysToolDDNS\u529f\u80fd\uff0c\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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.tenda.com.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-27897",
  "openTime": "2025-11-14",
  "products": {
    "product": "Tenda Tenda AC23 16.03.07.45"
  },
  "referenceLink": "https://www.tenda.com.cn/download/detail-3420.html",
  "serverity": "\u9ad8",
  "submitTime": "2023-02-15",
  "title": "Tenda AC23\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e"
}

CVE-2023-0782 (GCVE-0-2023-0782)

Vulnerability from cvelistv5 – Published: 2023-02-11 17:00 – Updated: 2025-03-24 14:48

Title

Tenda AC23 httpd formGetSysToolDDNS out-of-bounds write

Summary

A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. The manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220640.

Severity ?

7.2 (High)


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

7.2 (High)


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

CWE

CWE-787 - Out-of-bounds Write

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.220640	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.220640	signaturepermissions-required
	https://github.com/jingping911/tendaAC23overflow/…	exploit

Impacted products

	Vendor	Product	Version
	Tenda	AC23	Affected: 16.03.07.45

Credits

wjp911 (VulDB User)

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:24:34.451Z",
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            "url": "https://github.com/jingping911/tendaAC23overflow/blob/main/README.md"
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                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-24T14:47:17.087824Z",
                "version": "2.0.3"
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-24T14:48:05.523Z",
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          "vendor": "Tenda",
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        }
      ],
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          "lang": "en",
          "value": "A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. The manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220640."
        },
        {
          "lang": "de",
          "value": "Eine Schwachstelle wurde in Tenda AC23 16.03.07.45 gefunden. Sie wurde als kritisch eingestuft. Davon betroffen ist die Funktion formSetSysToolDDNS/formGetSysToolDDNS der Datei /bin/httpd. Mit der Manipulation mit unbekannten Daten kann eine out-of-bounds write-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
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          "value": "VulDB entry created"
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          "time": "2023-03-10T09:15:51.000Z",
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      "title": "Tenda AC23 httpd formGetSysToolDDNS out-of-bounds write"
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}

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-2025-27897

CVE-2023-0782 (GCVE-0-2023-0782)

Tags

Sightings

Nomenclature