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CVE-2022-4874— Authenticated bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows unauthenticated user to get access to content.

Quick assessment

Affected
Netcomm NF20
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netcomm NF20等都是澳大利亚Netcomm公司的一款路由器。 Netcomm路由器存在安全漏洞，该漏洞源于其身份验证旁路允许未经身份验证的用户访问内容。以下型号受到影响：NF20MESH、NF20和NL1902。

AI Predicted 7.5 Difficulty: Easy EPSS 11.01% · P96

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2022-4874

Vulnerability Information
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Vulnerability Title
Authenticated bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows unauthenticated user to get access to content.
Source: CVE Program / CVE List V5
Vulnerability Description
Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). If it exists, it performs a "fake login" to give the request an active session to load the file and not redirect to the login page.
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
Netcomm路由器 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netcomm NF20等都是澳大利亚Netcomm公司的一款路由器。 Netcomm路由器存在安全漏洞，该漏洞源于其身份验证旁路允许未经身份验证的用户访问内容。以下型号受到影响：NF20MESH、NF20和NL1902。
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
Netcomm NF20 R6B025 -
Netcomm NF20MESH R6B025 -
Netcomm NL1902 R6B025 -

II. Public POCs for CVE-2022-4874

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III. Intelligence Information for CVE-2022-4874

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Other References for CVE-2022-4874 (1)

IV. Related Vulnerabilities

Same product: NF20
Same vendor: Netcomm

V. Comments for CVE-2022-4874

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