CVE-2021-28150
Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the...
Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the administrator password and other sensitive data) via /backup2.cgi.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the administrator password and other sensitive data) via /backup2.cgi.
- Record
CVE-2021-28150- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-425
- Updated
- 2026-11-02
CVE List No score
Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the administrator password and other sensitive data) via /backup2.cgi.
- Record
CVE-2021-28150- Updated
- 2026-11-02
EUVDEUVD-2021-14848 No score
Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the administrator password and other sensitive data) via /backup2.cgi.
- Record
EUVD-2021-14848- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v446-8p4r-76m4
Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the...
Hongdian H8922 3.0.5 devices allow the unprivileged guest user to read cli.conf (with the administrator password and other sensitive data) via /backup2.cgi.
- Record
GHSA-v446-8p4r-76m4- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Hongdian H8922 3.0.5 - Information Disclosure |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28150 is a medium vulnerability (CVSS 5.5) in Hongdian H8922 Firmware, published May 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.79%, the 86th percentile. No source names a fixed version.