CVE-2021-28150 is an information disclosure vulnerability affecting Hongdian H8922 3.0.5 devices, allowing an unprivileged guest user to access sensitive configuration data, including the administrator password, via the /backup2.cgi endpoint. With a CVSS score of 5.5 (Medium), this local attack requires low privileges and no user interaction, leading to high confidentiality impact. While not currently on CISA's KEV catalog, a Nuclei template exists for detection, and its high EPSS score suggests a significant likelihood of exploitation. There is no evidence of active exploitation or public community discussion.
| 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.