CVE-2021-28151

high

Description

Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the ip-address (aka Destination) field to the tools.cgi ping command, which is accessible with the username guest and password guest.

References

https://blog.xlab.qianxin.com/catddos-derivative-en/

https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/

http://en.hongdian.com/Products/Details/H8922

Details

Source: Mitre, NVD

Published: 2021-05-06

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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