Vulnerability-Lookup

CNVD-2020-19942

Vulnerability from cnvd - Published: 2020-03-28

Title

TP-Link Archer A7 AC1750授权问题漏洞

Description

TP-Link Archer A7 AC1750是中国普联（TP-Link）公司的一款无线路由器。使用190726 AC1750版本固件的TP-Link Archer A7中存在授权问题漏洞，该漏洞源于在建立SSH端口转发规则之前，缺少正确的身份验证。攻击者可利用该漏洞绕过身份验证，访问被保护的资源。

Severity

中

Patch Name

TP-Link Archer A7 AC1750授权问题漏洞的补丁

Patch Description

TP-Link Archer A7 AC1750是中国普联（TP-Link）公司的一款无线路由器。使用190726 AC1750版本固件的TP-Link Archer A7中存在授权问题漏洞，该漏洞源于在建立SSH端口转发规则之前，缺少正确的身份验证。攻击者可利用该漏洞绕过身份验证，访问被保护的资源。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补丁以修复漏洞，详情请关注厂商主页： https://www.tp-link.com/

Impacted products

Name
TP-Link Archer A7 AC1750 190726

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10888"
    }
  },
  "description": "TP-Link Archer A7 AC1750\u662f\u4e2d\u56fd\u666e\u8054\uff08TP-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\n\u4f7f\u7528190726 AC1750\u7248\u672c\u56fa\u4ef6\u7684TP-Link Archer A7\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5efa\u7acbSSH\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\u4e4b\u524d\uff0c\u7f3a\u5c11\u6b63\u786e\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\uff0c\u8bbf\u95ee\u88ab\u4fdd\u62a4\u7684\u8d44\u6e90\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.tp-link.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-19942",
  "openTime": "2020-03-28",
  "patchDescription": "TP-Link Archer A7 AC1750\u662f\u4e2d\u56fd\u666e\u8054\uff08TP-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\n\u4f7f\u7528190726 AC1750\u7248\u672c\u56fa\u4ef6\u7684TP-Link Archer A7\u4e2d\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u5efa\u7acbSSH\u7aef\u53e3\u8f6c\u53d1\u89c4\u5219\u4e4b\u524d\uff0c\u7f3a\u5c11\u6b63\u786e\u7684\u8eab\u4efd\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\uff0c\u8bbf\u95ee\u88ab\u4fdd\u62a4\u7684\u8d44\u6e90\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": "TP-Link Archer A7 AC1750\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "TP-Link Archer A7 AC1750 190726"
  },
  "serverity": "\u4e2d",
  "submitTime": "2020-03-26",
  "title": "TP-Link Archer A7 AC1750\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-10888 (GCVE-0-2020-10888)

Vulnerability from cvelistv5 – Published: 2020-03-25 19:15 – Updated: 2024-08-04 11:14

Summary

This vulnerability allows remote attackers to bypass authentication on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SSH port forwarding requests during initial setup. The issue results from the lack of proper authentication prior to establishing SSH port forwarding rules. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the WAN interface. Was ZDI-CAN-9664.

Severity

5.9 (Medium)


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

CWE

CWE-287 - Improper Authentication

Assigner

zdi mitre root Scorecard

References

1 reference

URL	Tags
https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
TP-Link	Archer A7	Affected: Firmware Ver: 190726

Credits

F-Secure Labs - Mark Barnes, Toby Drew, Max Van Amerongen, and James Loureiro

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T11:14:15.895Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-340/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Archer A7",
          "vendor": "TP-Link",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware Ver: 190726"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "F-Secure Labs - Mark Barnes, Toby Drew, Max Van Amerongen, and James Loureiro"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "This vulnerability allows remote attackers to bypass authentication on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SSH port forwarding requests during initial setup. The issue results from the lack of proper authentication prior to establishing SSH port forwarding rules. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the WAN interface. Was ZDI-CAN-9664."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287: Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-03-25T19:15:26.000Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-340/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "zdi-disclosures@trendmicro.com",
          "ID": "CVE-2020-10888",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Archer A7",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Firmware Ver: 190726"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "TP-Link"
              }
            ]
          }
        },
        "credit": "F-Secure Labs - Mark Barnes, Toby Drew, Max Van Amerongen, and James Loureiro",
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "This vulnerability allows remote attackers to bypass authentication on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SSH port forwarding requests during initial setup. The issue results from the lack of proper authentication prior to establishing SSH port forwarding rules. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the WAN interface. Was ZDI-CAN-9664."
            }
          ]
        },
        "impact": {
          "cvss": {
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
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        "problemtype": {
          "problemtype_data": [
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                  "lang": "eng",
                  "value": "CWE-287: Improper Authentication"
                }
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            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-20-340/",
              "refsource": "MISC",
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-340/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
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    "datePublished": "2020-03-25T19:15:26.000Z",
    "dateReserved": "2020-03-24T00:00:00.000Z",
    "dateUpdated": "2024-08-04T11:14:15.895Z",
    "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.

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.

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Action not permitted

CNVD-2020-19942

CVE-2020-10888 (GCVE-0-2020-10888)

Tags

Sightings

Nomenclature

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