CVE-2021-27250
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I. Basic Information for CVE-2021-27250
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
文件名或路径的外部可控制
Source: NVD (National Vulnerability Database)
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)
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Affected Products
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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- https://www.zerodayinitiative.com/advisories/ZDI-21-205/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-27250
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 vendor: D-Link
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D-Link DI-8100 CGI user_group.asp sprintf buffer overflow
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V. Comments for CVE-2021-27250
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