CVE-2021-28152 Information

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.

CVSS Vector

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

Reference

http://en.hongdian.com/Products/Details/H8922 https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8