KEV Entry

CVE-2021-3708

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-3708

2026-06-30 00:00 UTC

Characteristics

55.0

Timestamps

2023-10-20

2023-10-20

2026-06-30

Scope

Affected: D-Link / D-Link DSL-2750U | Class: router | Severity: Medium (CVSS 5.5) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-06-30: 1

References
  • {'id': 'CVE-2021-3708', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-3708'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

c55dcffc-bb10-4d60-b7cf-af14d241131b

c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-07-01 05:54 UTC

2026-07-02 01:01 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": "router",
  "connections": 1,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "yes",
  "observation_date": "2026-06-30",
  "product": "D-Link DSL-2750U",
  "type": "http-scan",
  "vendor": "D-Link",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 5.5,
  "vulnerability_severity": "Medium"
}
 -
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