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CVE-2021-20730

Quick assessment

Affected
BUFFALO INC. WSR-1166DHP3 and WSR-1166DHP4
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.

BUFFALO INC WSR-1166DHP3-BK是日本布法罗公司（BUFFALO INC）公司的一个路由器。 Buffalo Inc. Buffalo WSR-1166DHP3 和 WSR-1166DHP4 路由器存在访问控制不当漏洞，该漏洞源于未经身份验证的网络相邻攻击者可以获得配置信息。受影响的产品及版本：WSR-1166DHP3 固件1.16版本及之前版本，WSR-1166DHP4 固件1.02版本及之前版本。

AI Predicted 5.3 Difficulty: Easy EPSS 0.37% · P30
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I. Basic Information for CVE-2021-20730

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
BUFFALO INC WSR-1166DHP3-BK 访问控制不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BUFFALO INC WSR-1166DHP3-BK是日本布法罗公司（BUFFALO INC）公司的一个路由器。 Buffalo Inc. Buffalo WSR-1166DHP3 和 WSR-1166DHP4 路由器存在访问控制不当漏洞，该漏洞源于未经身份验证的网络相邻攻击者可以获得配置信息。受影响的产品及版本：WSR-1166DHP3 固件1.16版本及之前版本，WSR-1166DHP4 固件1.02版本及之前版本。
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
BUFFALO INC. WSR-1166DHP3 and WSR-1166DHP4 WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior -

II. Public POCs for CVE-2021-20730

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20730

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Vendor Advisories for CVE-2021-20730 (1)

Other References for CVE-2021-20730 (1)

IV. Related Vulnerabilities

Same product: WSR-1166DHP3 and WSR-1166DHP4
Same vendor: BUFFALO INC.

V. Comments for CVE-2021-20730

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