{
  "cvss": 0.0,
  "datePublished": "2026-08-22T00:00:00Z",
  "dateUpdated": "2026-08-22T00:00:00Z",
  "description": "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 firmware versions v15.11.0.17(9502)_CN or v15.11.0.16(9024)_CN allows remote attackers to execute arbitrary OS commands via a crafted action/setDebugCfg request. This occurs because the \"formSetDebugCfg\" function executes glibc's system function with untrusted input.",
  "dueDate": "",
  "id": "CVE-2021-27691",
  "kev_catalogs": [
    "vulncheck"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "product": "g0_firmware",
  "requiredAction": "Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.",
  "severity": "HIGH",
  "source": "vulncheck_kev",
  "title": "Tenda g0_firmware Improper Neutralization of Special Elements used in an OS Command",
  "vendor": "Tenda"
}