KEV Entry

CVE-2023-4473

Known Exploited Vulnerability Entry Shadowserver

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Entry Details
Confirmed Exploited

CVE-2023-4473

2024-04-30 00:00 UTC

Characteristics

98.0

Timestamps

2024-04-28

2024-04-28

2024-04-30

Scope

Affected: Zyxel / Zyxel NAS326/NAS542 | Class: nas | Severity: Critical (CVSS 9.8) | IoT: yes | In CISA KEV: no | Honeypot connections on 2024-04-30: 333

References
  • {'id': 'CVE-2023-4473', 'url': 'https://www.cve.org/CVERecord?id=CVE-2023-4473'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

0d34558a-d5f9-4c7f-a04a-be50f1a66575

Shadowserver
c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-06-30 12:29 UTC

2026-06-30 12:29 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "1",
  "30d_avg": 0,
  "7d_avg": 0,
  "90d_avg": 0,
  "cisa_kev": "no",
  "class": "nas",
  "connections": 333,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "yes",
  "observation_date": "2024-04-30",
  "product": "Zyxel NAS326/NAS542",
  "type": "http-scan",
  "vendor": "Zyxel",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 9.8,
  "vulnerability_severity": "Critical"
}
 -
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