Vulnerability · Published May 6, 2021 · Assigned by mitre

CVE-2021-28152

Critical 9.8

In plain English

A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.2% (higher than 92% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)5.2%top 7.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

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