cnvd - cnvd-2022-50633

CNVD-2022-50633

Vulnerability from cnvd - Published: 2022-07-10

Title

TP-LINK TL-WR840N访问控制错误漏洞

Description

TP-LINK TL-WR840N是中国普联（TP-LINK）公司的一款无线路由器。 TP-Link TL-WR840N EU v6.20 版本存在访问控制错误漏洞，该漏洞源于UART控制台不安全，攻击者可利用该漏洞以root用户的身份执行命令而无需身份验证。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://www.tp-link.com.cn/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2022-29402

Impacted products

Name
TP-LINK TP-LINK TL-WR840N v6.20

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-29402",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-29402"
    }
  },
  "description": "TP-LINK TL-WR840N\u662f\u4e2d\u56fd\u666e\u8054\uff08TP-LINK\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTP-Link TL-WR840N EU v6.20 \u7248\u672c\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eUART\u63a7\u5236\u53f0\u4e0d\u5b89\u5168\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u7528\u6237\u7684\u8eab\u4efd\u6267\u884c\u547d\u4ee4\u800c\u65e0\u9700\u8eab\u4efd\u9a8c\u8bc1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://www.tp-link.com.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-50633",
  "openTime": "2022-07-10",
  "products": {
    "product": "TP-LINK TP-LINK TL-WR840N v6.20"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-29402",
  "serverity": "\u9ad8",
  "submitTime": "2022-05-26",
  "title": "TP-LINK TL-WR840N\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2022-29402 (GCVE-0-2022-29402)

Vulnerability from cvelistv5 – Published: 2022-05-25 17:24 – Updated: 2024-08-03 06:17

Summary

TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication.

Severity ?

6.8 (Medium)


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

CWE

Assigner

mitre

References

URL

Tags

https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.html

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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        }
      ],
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "userInteraction": "NONE",
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          "url": "https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.html"
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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-2022-50633

CVE-2022-29402 (GCVE-0-2022-29402)

Tags

Sightings

Nomenclature