cnvd - cnvd-2025-19109

CNVD-2025-19109

Vulnerability from cnvd - Published: 2025-08-21

Title

Tenda AC20命令注入漏洞

Description

Tenda AC20是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC20存在命令注入漏洞，该漏洞源于/goform/telnet文件中websFormDefine函数未能正确过滤构造命令特殊字符、命令等。攻击者可利用该漏洞导致任意命令执行。

Severity

中

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-2025-9090

Impacted products

Name
Tenda AC20 16.03.08.12

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-9090",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-9090"
    }
  },
  "description": "Tenda AC20\u662f\u4e2d\u56fd\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda AC20\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/goform/telnet\u6587\u4ef6\u4e2dwebsFormDefine\u51fd\u6570\u672a\u80fd\u6b63\u786e\u8fc7\u6ee4\u6784\u9020\u547d\u4ee4\u7279\u6b8a\u5b57\u7b26\u3001\u547d\u4ee4\u7b49\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u4efb\u610f\u547d\u4ee4\u6267\u884c\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-2025-19109",
  "openTime": "2025-08-21",
  "products": {
    "product": "Tenda AC20 16.03.08.12"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-9090",
  "serverity": "\u4e2d",
  "submitTime": "2025-08-20",
  "title": "Tenda AC20\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2025-9090 (GCVE-0-2025-9090)

Vulnerability from cvelistv5 – Published: 2025-08-17 02:02 – Updated: 2025-08-18 17:46

Title

Tenda AC20 Telnet Service telnet websFormDefine command injection

Summary

A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Severity ?

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

6.3 (Medium)


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

6.3 (Medium)


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

CWE

CWE-77 - Command Injection
CWE-74 - Injection

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.320358	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.320358	signaturepermissions-required
	https://vuldb.com/?submit.632232	third-party-advisory
	https://github.com/ZZ2266/.github.io/blob/main/AC…	related
	https://github.com/ZZ2266/.github.io/blob/main/AC…	exploit
	https://www.tenda.com.cn/	product

Impacted products

	Vendor	Product	Version
	Tenda	AC20	Affected: 16.03.08.12

Credits

n0ps1ed (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-9090",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-18T17:44:17.324864Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-18T17:46:22.525Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "Telnet Service"
          ],
          "product": "AC20",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "16.03.08.12"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "n0ps1ed (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used."
        },
        {
          "lang": "de",
          "value": "In Tenda AC20 16.03.08.12 wurde eine Schwachstelle gefunden. Dabei betrifft es die Funktion websFormDefine der Datei /goform/telnet der Komponente Telnet Service. Mittels dem Manipulieren mit unbekannten Daten kann eine command injection-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
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            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
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            "version": "3.0"
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        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
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        "dateUpdated": "2025-08-17T02:02:07.488Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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          "url": "https://vuldb.com/?id.320358"
        },
        {
          "name": "VDB-320358 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
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          "url": "https://vuldb.com/?ctiid.320358"
        },
        {
          "name": "Submit #632232 | Tenda AC20 V16.03.08.12 Command Injection",
          "tags": [
            "third-party-advisory"
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          "url": "https://vuldb.com/?submit.632232"
        },
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          "tags": [
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          "time": "2025-08-16T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2025-08-16T08:11:37.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "Tenda AC20 Telnet Service telnet websFormDefine command injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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    "datePublished": "2025-08-17T02:02:07.488Z",
    "dateReserved": "2025-08-16T06:06:22.874Z",
    "dateUpdated": "2025-08-18T17:46:22.525Z",
    "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-2025-19109

CVE-2025-9090 (GCVE-0-2025-9090)

Tags

Sightings

Nomenclature