KEV Entry

CVE-2021-28151

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-28151

2025-10-04 00:00 UTC

Timestamps

2025-10-04

2025-10-04

Scope

KEVIntel entry: Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the ip-address (aka Destination) field to the tools.cgi ping... | Affected: Hongdian / H8922 | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-28151', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-28151'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-28151'}

716091ff-3e2d-4c43-9c98-9c8029236e24

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:42 UTC

2026-06-19 12:42 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2025-10-04T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "H8922",
  "title": "Hongdian H8922 3.0.5 devices allow OS command injection via shell metacharacters into the ip-address (aka Destination) field to the tools.cgi ping...",
  "used_in_malware": "unknown",
  "vendor": "Hongdian"
}
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