KEV Entry

CVE-2023-27992

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2023-27992

2023-06-23 00:00 UTC

Timestamps

2023-06-23

2023-06-23

Scope

KEVIntel entry: The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware... | Affected: Zyxel / NAS326 firmware, NAS540 firmware, NAS542 firmware | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2023-27992', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-27992'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2023-27992'}

435c85de-383a-435d-a938-8278164f88a3

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 11:14 UTC

2026-06-23 11:14 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2023-06-23T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "NAS326 firmware, NAS540 firmware, NAS542 firmware",
  "title": "The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to\u00a0V5.21(AAZF.14)C0, NAS540 firmware...",
  "used_in_malware": "unknown",
  "vendor": "Zyxel"
}
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