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CVE-2020-36963— Intelbras Router RF 301K 1.1.2 - Authentication Bypass

Quick assessment

Affected
Intelbras Intelbras Router RF 301K
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.

Intelbras Router RF 301K是巴西Intelbras公司的一个路由器。 Intelbras Router RF 301K 1.1.2版本存在访问控制错误漏洞，该漏洞源于身份验证绕过，可能导致下载路由器配置文件。

CVSS 7.5 · High EPSS 0.41% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
Intelbras Intelbras Router RF 301K firmware version 1.1.2 affected
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I. Basic Information for CVE-2020-36963

Vulnerability Information
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Vulnerability Title
Intelbras Router RF 301K 1.1.2 - Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Intelbras Router RF 301K firmware version 1.1.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to download router configuration files. Attackers can send a specific HTTP GET request to /cgi-bin/DownloadCfg/RouterCfm.cfg to retrieve sensitive router configuration without authentication.
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
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Intelbras Router RF 301K 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Intelbras Router RF 301K是巴西Intelbras公司的一个路由器。 Intelbras Router RF 301K 1.1.2版本存在访问控制错误漏洞，该漏洞源于身份验证绕过，可能导致下载路由器配置文件。
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
Intelbras Intelbras Router RF 301K firmware version 1.1.2 -

II. Public POCs for CVE-2020-36963

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III. Intelligence Information for CVE-2020-36963

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IV. Related Vulnerabilities

Same vendor: Intelbras
Same weakness: CWE-306

V. Comments for CVE-2020-36963

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