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I. Basic Information for CVE-2019-19825
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an {"topicurl":"setting/getSanvas"} POST to the boafrm/formLogin URI, leading to a CAPTCHA bypass. (Also, the CAPTCHA text is not needed once the attacker has determined valid credentials. The attacker can perform router actions via HTTP requests with Basic Authentication.) This affects A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款TotoLink产品授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
多款TotoLink产品中存在授权问题漏洞。攻击者可利用该漏洞绕过CAPTCHA保护，登录到路由器上。以下产品及版本受到影响：TotoLink A3002RU 2.0.0及之前的版本；A702R 2.1.3及之前的版本；N301RT 2.1.6及之前的版本；N302R 3.4.0及之前的版本；N300RT 3.4.0及之前的版本；N200RE 4.0.0及之前的版本；N150RT 3.4.0及之前的版本；N100RE 3.4.0及之前的版本。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2019-19825
#POC DescriptionSource LinkShenlong Link
1On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via a POST request to the boafrm/formLogin URI with the JSON payload {"topicurl":"setting/getSanvas"}. This allows an unauthenticated attacker to bypass CAPTCHA verification, gaining unauthorized access to restricted functions. Once valid credentials are known or brute-forced, an attacker can fully control the device using HTTP requests and Basic Authentication. Affected router models include A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, N100RE through 3.4.0, and other Realtek SDK-derived devices. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-19825.yamlPOC Details
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III. Intelligence Information for CVE-2019-19825
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New Vulnerabilities
Product: n/a
Vendor: n/a
V. Comments for CVE-2019-19825

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