CVE-2021-28152

CRITICAL · CVSS 9.8 EPSS 5.18%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-06 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-28152

Severity

CRITICAL

CVSS

9.8

EPSS

5.18%

Original NVD 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.