KEV Entry

CVE-2021-43711

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-43711

2025-06-05 11:07 CEST

Timestamps

2025-06-05

2025-06-05

Scope

The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The... | Affected: TOTOLINK / EX200 | CVSS: 9.8 (CRITICAL) | EPSS: 0.37835 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-43711', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-43711'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-43711'}

e3206a3a-2d7a-4516-a232-539a557d32a0

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:10 CEST

2026-10-02 09:10 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2025-06-05T09:07:36.025Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-43711",
  "cvss_estimated": false,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.98504,
  "epss_score": 0.37835,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "EX200",
  "title": "The downloadFlile.cgi binary file in TOTOLINK EX200 V4.0.3c.7646_B20201211 has a command injection vulnerability when receiving GET parameters. The...",
  "used_in_malware": "unknown",
  "vendor": "TOTOLINK",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-43711"
}
 -
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