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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://en.hongdian.com/Products/Details/H8922	Product Vendor Advisory
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/	Exploit Third Party Advisory
http://en.hongdian.com/Products/Details/H8922	Product Vendor Advisory
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*

cpe:2.3:h:hongdian:h8922:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:59

Type	Values Removed	Values Added
References	~~() http://en.hongdian.com/Products/Details/H8922 - Product, Vendor Advisory~~	() http://en.hongdian.com/Products/Details/H8922 - Product, Vendor Advisory
References	~~() https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ - Exploit, Third Party Advisory~~	() https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/ - Exploit, Third Party Advisory

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~CWE-798~~	CWE-287

Information

Published : 2021-05-06 16:15

Updated : 2024-11-21 05:59

NVD link : CVE-2021-28152

Mitre link : CVE-2021-28152

CVE.ORG link : CVE-2021-28152

JSON object : View

Products Affected

hongdian

h8922
h8922_firmware

CWE

CWE-287

Improper Authentication

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