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CVE-2021-47726— NuCom 11N Wireless Router 5.07.90 Privilege Escalation via Configuration Backup

Quick assessment

Affected
Nucom NuCom 11N Wireless Router
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NuCom 11N是美国NuCom公司的一个无线路由器。 NuCom 11N 5.07.90版本存在安全漏洞，该漏洞源于非特权用户可通过配置备份端点访问管理凭据，可能导致权限提升。

CVSS 7.5 · High EPSS 0.30% · P23
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I. Basic Information for CVE-2021-47726

Vulnerability Information
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Vulnerability Title
NuCom 11N Wireless Router 5.07.90 Privilege Escalation via Configuration Backup
Source: CVE Program / CVE List V5
Vulnerability Description
NuCom 11N Wireless Router 5.07.90 contains a privilege escalation vulnerability that allows non-privileged users to access administrative credentials through the configuration backup endpoint. Attackers can send a crafted HTTP GET request to the backup configuration page with a specific cookie to retrieve and decode the admin password in Base64 format.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
NuCom 11N 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NuCom 11N是美国NuCom公司的一个无线路由器。 NuCom 11N 5.07.90版本存在安全漏洞，该漏洞源于非特权用户可通过配置备份端点访问管理凭据，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nucom NuCom 11N Wireless Router 5.07.90 -

II. Public POCs for CVE-2021-47726

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III. Intelligence Information for CVE-2021-47726

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Vendor Advisories for CVE-2021-47726 (1)

Proof of Concept for CVE-2021-47726 (1)

IV. Related Vulnerabilities

Same vendor: Nucom
Same weakness: CWE-522

V. Comments for CVE-2021-47726

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