Vulnerability Details : CVE-2021-28152
Potential exploit
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.
Products affected by CVE-2021-28152
- cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28152
37.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28152
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-28152
-
The product contains hard-coded credentials, such as a password or cryptographic key.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28152
-
https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/
SSD Advisory – Hongdian H8922 Multiple Vulnerabilities - SSD Secure DisclosureExploit;Third Party Advisory
-
http://en.hongdian.com/Products/Details/H8922
LTE industrial routerProduct;Vendor Advisory
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