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CVE-2021-27250

Quick assessment

Affected
D-Link DAP-2020
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link DAP-2020是中国友讯（D-Link）公司的一个WIFI接入点。 D-Link DAP-2020 v1.01rc001 Wi-Fi 存在安全漏洞，该漏洞允许网络邻近攻击者披露敏感信息。

AI Predicted 7.5 Difficulty: Easy EPSS 67.39% · P99
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I. Basic Information for CVE-2021-27250

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 disclose sensitive information on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-11856.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DAP-2020 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DAP-2020是中国友讯（D-Link）公司的一个WIFI接入点。 D-Link DAP-2020 v1.01rc001 Wi-Fi 存在安全漏洞，该漏洞允许网络邻近攻击者披露敏感信息。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DAP-2020 v1.01rc001 -

II. Public POCs for CVE-2021-27250

# POC Description Source Link Shenlong Link
1 None https://github.com/Threekiii/Awesome-POC/blob/master/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/D-Link%20DAP-2020%20webproc%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E%20CVE-2021-27250.md POC Details
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III. Intelligence Information for CVE-2021-27250

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Vendor Advisories for CVE-2021-27250 (1)

Other References for CVE-2021-27250 (1)

Same Patch Batch · D-Link · 2021-04-14 · 3 CVEs total

CVE-2021-27249 D-Link DAP-2020 操作系统命令注入漏洞
CVE-2021-27248 D-Link DAP-2020 安全漏洞

IV. Related Vulnerabilities

Same product: DAP-2020
Same vendor: D-Link
Same weakness: CWE-73

V. Comments for CVE-2021-27250

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