KEV Entry

CVE-2021-27691

Known Exploited Vulnerability Entry KEVIntel

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Entry Details
Confirmed Exploited

CVE-2021-27691

2026-08-22 00:00 UTC

Timestamps

2026-08-22

2026-08-22

Scope

Command Injection in Tenda G0 routers with firmware versions v15.11.0.6(9039)_CN and v15.11.0.5(5876)_CN , and Tenda G1 and G3 routers with... | Affected: Tenda / G0, G1, G3 routers | CVSS: 9.8 (CRITICAL) | EPSS: 0.25183 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-27691', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-27691'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/CVE-2021-27691'}

39ee7ca1-fe23-494e-8a9e-ae5f349620a0

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

2026-08-23 11:00 UTC

2026-08-23 11:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-08-22T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.97767,
  "epss_score": 0.25183,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "G0, G1, G3 routers",
  "title": "Command Injection in Tenda G0 routers with firmware versions v15.11.0.6(9039)_CN and v15.11.0.5(5876)_CN , and Tenda G1 and G3 routers with...",
  "used_in_malware": "unknown",
  "vendor": "Tenda"
}
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