KEV Entry

CVE-2024-3721

Known Exploited Vulnerability Entry Shadowserver

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Entry Details
Confirmed Exploited

CVE-2024-3721

2026-07-08 00:00 UTC

Characteristics

0.0

Timestamps

2024-04-21

2024-04-21

2026-07-08

Scope

Affected: TBK / TBK DVR-4104/DVR-4216 | Class: video-system | Severity: None (CVSS 0) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-07-08: 22

References
  • {'id': 'CVE-2024-3721', 'url': 'https://www.cve.org/CVERecord?id=CVE-2024-3721'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

0018b237-9cfb-4884-97b1-fa556aa5c174

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

2026-06-30 09:22 UTC

2026-07-10 01:02 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "1",
  "30d_avg": 1,
  "7d_avg": 1,
  "90d_avg": 3,
  "cisa_kev": "no",
  "class": "video-system",
  "connections": 22,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "yes",
  "observation_date": "2026-07-08",
  "product": "TBK DVR-4104/DVR-4216",
  "type": "http-scan",
  "vendor": "TBK",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 0,
  "vulnerability_severity": "None"
}
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