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I. Basic Information for CVE-2021-28149
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Hongdian H8922 3.0.5 devices allow Directory Traversal. The /log_download.cgi log export handler does not validate user input and allows a remote attacker with minimal privileges to download any file from the device by substituting ../ (e.g., ../../etc/passwd) This can be carried out with a web browser by changing the file name accordingly. Upon visiting log_download.cgi?type=../../etc/passwd and logging in, the web server will allow a download of the contents of the /etc/passwd file.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hongdian H8922 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hongdian H8922是中国Hongdian公司的一个路由器。 Hongdian H8922 3.0.5 devices存在路径遍历漏洞。该漏洞允许远程攻击者以最小的权限从设备下载任何文件。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-28149
#POC DescriptionSource LinkShenlong Link
1Hongdian H8922 3.0.5 devices are vulnerable to local file inclusion. The /log_download.cgi log export handler does not validate user input and allows a remote attacker with minimal privileges to download any file from the device by substituting ../ (e.g., ../../etc/passwd) This can be carried out with a web browser by changing the file name accordingly. Upon visiting log_download.cgi?type=../../etc/passwd and logging in, the web server will allow a download of the contents of the /etc/passwd file. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-28149.yamlPOC Details
2Nonehttps://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/%E5%AE%8F%E7%94%B5%20H8922%20Telnet%E5%90%8E%E9%97%A8%E6%BC%8F%E6%B4%9E%20CVE-2021-28149.mdPOC Details
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III. Intelligence Information for CVE-2021-28149
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