by Kastro
Paper/Archive/CVE-2021-28152

CVE-2021-28152

mitre — Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser.

EPSS 5%CVSS 9.8
critical.is priorityof 100
48
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 92.5.925 × 2018.5No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refen.hongdian.com/Products/Details/H8922refssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities