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CVE-2016-6563— D-Link DIR routers contain a stack-based buffer overflow in the HNAP Login action

Quick assessment

Affected
D-Link DIR-823
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.

D-Link DIR-823等都是友讯（D-Link）公司的无线路由器产品。 多款D-Link路由器中的HNAP服务存在基于栈的缓冲区溢出漏洞。远程攻击者可借助畸形的SOAP消息利用该漏洞以root权限执行任意代码。以下产品受到影响：D-Link DIR-823；DIR-822；DIR-818L(W)；DIR-895L；DIR-890L；DIR-885L；DIR-880L；DIR-868L。

AI Predicted 8.1 Difficulty: Easy EPSS 79.95% · P100

Public Exploits 2

ExploitDB · 1 EDB-40805 [remote]
Metasploit · 1 dlink_hnap_login_bof.rb [exploit]
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I. Basic Information for CVE-2016-6563

Vulnerability Information
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Vulnerability Title
D-Link DIR routers contain a stack-based buffer overflow in the HNAP Login action
Source: CVE Program / CVE List V5
Vulnerability Description
Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers. The vulnerable XML fields within the SOAP body are: Action, Username, LoginPassword, and Captcha. The following products are affected: DIR-823, DIR-822, DIR-818L(W), DIR-895L, DIR-890L, DIR-885L, DIR-880L, DIR-868L, and DIR-850L.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
多款D-Link路由器缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-823等都是友讯（D-Link）公司的无线路由器产品。 多款D-Link路由器中的HNAP服务存在基于栈的缓冲区溢出漏洞。远程攻击者可借助畸形的SOAP消息利用该漏洞以root权限执行任意代码。以下产品受到影响：D-Link DIR-823；DIR-822；DIR-818L(W)；DIR-895L；DIR-890L；DIR-885L；DIR-880L；DIR-868L。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-823 N/A -
D-Link DIR-822 N/A -
D-Link DIR-818L(W) N/A -
D-Link DIR-895L N/A -
D-Link DIR-890L N/A -
D-Link DIR-885L N/A -
D-Link DIR-880L N/A -
D-Link DIR-868L N/A -
D-Link DIR-850L N/A -

II. Public POCs for CVE-2016-6563

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III. Intelligence Information for CVE-2016-6563

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Vendor Advisories for CVE-2016-6563 (2)

Exploits & Public PoCs for CVE-2016-6563 (1)

Mailing List Discussions for CVE-2016-6563 (1)

IV. Related Vulnerabilities

Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2016-6563

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