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HIGH

CVE-2021-28151

CVSS v3

8.8

HIGH

EPSS Score

27.9 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2021-05-06

Frequently asked questions

What is CVE-2021-28151?

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.

Is CVE-2021-28151 actively exploited?

Active exploitation of CVE-2021-28151 has not been confirmed. Its EPSS score was 27.9% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-28151?

CVE-2021-28151 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-28151 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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