← Vulnerability feed

Vulnerability record · CVE-2021-28150 · published 6 May 2021

CVE-2021-28150: Hongdian h8922 firmware vulnerability

Hongdian · H8922 Firmware

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.

5.5 CVSS 3.1 Medium EPSS 2.8% · top 14.1% CWE-425 · CWE-425
5.5CVSS 3.1 base score, v2 2.1
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://en.hongdian.com/Products/Details/H8922 ProductVendor Advisory
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ ExploitThird Party Advisory
http://en.hongdian.com/Products/Details/H8922 ProductVendor Advisory
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ ExploitThird Party Advisory

Track CVE-2021-28150 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-28152Hongdian h8922 firmware improper authentication vulnerabilityHongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser. To connect, the telnet service is used on por…EPSS 5.2%8.8CVE-2021-28151Hongdian h8922 firmware os command injection vulnerabilityHongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the ip-address (aka Destination) field to the tools.cgi ping co…EPSS 28%6.5CVE-2021-28149Hongdian h8922 firmware path traversal vulnerabilityHongdian H8922 3.0.5 devices allow Directory Traversal. The /log_download.cgi log export handler does not validate user input and allows a remote att…EPSS 16%7.5CVE-2024-45195Apache OFBiz forced browsing exposes restricted endpointsApache OFBiz before 18.12.16 is affected by a direct request (forced browsing) flaw, CWE-425, that lets a remote unauthenticated client reach functio…KEVEPSS 100%analysed5.3CVE-2021-26085Atlassian Confluence Server pre-auth arbitrary file read via /s/ endpointConfluence Server and Data Center expose a pre-authorization arbitrary file read through the /s/ endpoint, letting unauthenticated remote attackers v…KEVEPSS 100%analysed

Source: NIST National Vulnerability Database (record CVE-2021-28150), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.