CNVD-2020-53782

Vulnerability from cnvd - Published: 2020-09-24
VLAI Severity ?
Title
Tenda AC18远程代码执行漏洞
Description
Ac18是腾达（Tenda）公司推出的一款无线路由器。 Tenda AC18存在远程代码执行漏洞。该漏洞源于在管理员UI界面设置为“ radius”时/usr/lib/lua/ngx_authserver/ngx_wdas.lua文件中logincheck()函数的认证处理不正确。攻击者可利用该漏洞实现远程代码执行。
Severity
中
Patch Name
Tenda AC18远程代码执行漏洞的补丁
Patch Description
Ac18是腾达（Tenda）公司推出的一款无线路由器。 Tenda AC18存在远程代码执行漏洞。该漏洞源于在管理员UI界面设置为“ radius”时/usr/lib/lua/ngx_authserver/ngx_wdas.lua文件中logincheck()函数的认证处理不正确。攻击者可利用该漏洞实现远程代码执行。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

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.tendacn.com/en/product/AC18.html

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-24987
Impacted products
Name
['Tenda Ac18 <=V15.03.05.05_EN', 'Tenda Ac18 <=V15.03.05.19(6318) CN']
Show details on source website
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-24987",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-24987"
    }
  },
  "description": "Ac18\u662f\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda AC18\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u7ba1\u7406\u5458UI\u754c\u9762\u8bbe\u7f6e\u4e3a\u201c radius\u201d\u65f6/usr/lib/lua/ngx_authserver/ngx_wdas.lua\u6587\u4ef6\u4e2dlogincheck()\u51fd\u6570\u7684\u8ba4\u8bc1\u5904\u7406\u4e0d\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\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.tendacn.com/en/product/AC18.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-53782",
  "openTime": "2020-09-24",
  "patchDescription": "Ac18\u662f\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\nTenda AC18\u5b58\u5728\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u7ba1\u7406\u5458UI\u754c\u9762\u8bbe\u7f6e\u4e3a\u201c radius\u201d\u65f6/usr/lib/lua/ngx_authserver/ngx_wdas.lua\u6587\u4ef6\u4e2dlogincheck()\u51fd\u6570\u7684\u8ba4\u8bc1\u5904\u7406\u4e0d\u6b63\u786e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u73b0\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\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": "Tenda AC18\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Tenda Ac18 \u003c=V15.03.05.05_EN",
      "Tenda Ac18 \u003c=V15.03.05.19(6318) CN"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-24987",
  "serverity": "\u4e2d",
  "submitTime": "2020-09-07",
  "title": "Tenda AC18\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}


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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.