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CVE-2020-15632

Quick assessment

Affected
D-Link DIR-842
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.

D-Link DIR-842是中国台湾友讯（D-Link）公司的一款无线路由器。 使用3.13B09及之前版本固件的D-Link DIR-842中HNAP GetCAPTCHAsetting请求处理过程存在安全漏洞，该漏洞源于未正确处理会话。攻击者可利用该漏洞绕过身份验证，执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 3.32% · P88
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I. Basic Information for CVE-2020-15632

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HNAP GetCAPTCHAsetting requests. The issue results from the lack of proper handling of sessions. An attacker can leverage this vulnerability to execute arbitrary code in the context of the device. Was ZDI-CAN-10083.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证算法的不正确实现
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-842 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-842是中国台湾友讯（D-Link）公司的一款无线路由器。 使用3.13B09及之前版本固件的D-Link DIR-842中HNAP GetCAPTCHAsetting请求处理过程存在安全漏洞，该漏洞源于未正确处理会话。攻击者可利用该漏洞绕过身份验证，执行任意代码。
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
D-Link DIR-842 3.13B05 -

II. Public POCs for CVE-2020-15632

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III. Intelligence Information for CVE-2020-15632

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Vendor Advisories for CVE-2020-15632 (1)

Same Patch Batch · D-Link · 2020-07-23 · 3 CVEs total

CVE-2020-15633 D-Link DIR-867和DIR-878 安全漏洞
CVE-2020-15631 D-Link DAP-1860 操作系统命令注入漏洞

IV. Related Vulnerabilities

Same product: DIR-842
Same vendor: D-Link
Same weakness: CWE-303

V. Comments for CVE-2020-15632

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