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CVE-2020-15633

Quick assessment

Affected
D-Link Multiple Routers
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-878和D-Link DIR-867都是中国台湾友讯（D-Link）公司的一款无线路由器。 使用1.20B10及之前版本固件的DIR-867-US和使用1.20B05及之前版本固件的DIR-878中HNAP请求处理存在安全漏洞，该漏洞源于不正确的字符串匹配逻辑。攻击者可利用该漏洞提升权限并执行代码。

AI Predicted 9.8 Difficulty: Easy EPSS 2.77% · P86
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I. Basic Information for CVE-2020-15633

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-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-867和DIR-878 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-878和D-Link DIR-867都是中国台湾友讯（D-Link）公司的一款无线路由器。 使用1.20B10及之前版本固件的DIR-867-US和使用1.20B05及之前版本固件的DIR-878中HNAP请求处理存在安全漏洞，该漏洞源于不正确的字符串匹配逻辑。攻击者可利用该漏洞提升权限并执行代码。
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 Multiple Routers 1.20B10_BETA -

II. Public POCs for CVE-2020-15633

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III. Intelligence Information for CVE-2020-15633

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Vendor Advisories for CVE-2020-15633 (1)

Other References for CVE-2020-15633 (1)

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

CVE-2020-15632 D-Link DIR-842 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: Multiple Routers
Same vendor: D-Link
Same weakness: CWE-288

V. Comments for CVE-2020-15633

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