CVE-2021-28152
CVSS v3
9.8
CRITICAL
EPSS Score
37.5 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Hongdian 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 port 5188 with the default credentials of root:superzxmn.
Technical details
- Published
- 2021-05-06
Frequently asked questions
What is CVE-2021-28152?
Hongdian 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 port 5188 with the default credentials of root:superzxmn.
Is CVE-2021-28152 actively exploited?
Active exploitation of CVE-2021-28152 has not been confirmed. The EPSS score is 37.5%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-28152?
CVE-2021-28152 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-28152 affecting your environment?
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