CVE-2021-28152

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 37.47% Top 5%
Vendor Advisory hongdian.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://en.hongdian.com/Products/Details/H8922 product vendor advisory
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-28152?
CVE-2021-28152 has been scored as a critical severity vulnerability.
How to fix CVE-2021-28152?
To fix CVE-2021-28152, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28152 being actively exploited in the wild?
It is possible that CVE-2021-28152 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~37% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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