{"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"}