Record summary

CVE-2021-28152 has a selected CVSS score of 9.8 (critical).

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.

Description source: CVE List

Exploitation context

Known exploitation

VulnCheck KEV
Listed · Oct 7, 2021 · VulnCheck
Reported exploitation
Observed · VulnCheck

Affected products and versions

1
ProductSourceVersion rangeStatus
VulnCheckVersion data not supplied

References

3