CVE-2021-28149 is a directory traversal vulnerability affecting Hongdian H8922 devices running firmware version 3.0.5. It allows an authenticated, low-privileged attacker to download arbitrary files from the device, such as /etc/passwd, by manipulating the log_download.cgi handler. This vulnerability has a CVSS score of 6.5 (Medium) due to its low attack complexity and high confidentiality impact, and an exceptionally high EPSS score of 0.90235, indicating a significant likelihood of exploitation. While not listed in CISA's KEV catalog, a Nuclei template exists for detection, and there is community discussion highlighting its potential for broader compromise, including root command execution.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0.5CPE matchmatch criteria | cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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