KEV Entry

CVE-2021-31755

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-31755

2025-02-13 00:00 UTC

Characteristics

98.0

Timestamps

2023-10-14

2023-10-14

2025-02-13

Scope

Affected: Tenda / Tenda AC11 | Class: router | Severity: Critical (CVSS 9.8) | IoT: yes | In CISA KEV: yes | Honeypot connections on 2025-02-13: 1

References
  • {'id': 'CVE-2021-31755', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-31755'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

59764b63-96e9-4015-b553-4ee38110bf90

c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-07-01 05:53 UTC

2026-07-01 13:14 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": 1,
  "90d_avg": 0,
  "cisa_kev": "yes",
  "class": "router",
  "connections": 1,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "yes",
  "observation_date": "2025-02-13",
  "product": "Tenda AC11",
  "type": "http-scan",
  "vendor": "Tenda",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 9.8,
  "vulnerability_severity": "Critical"
}
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