CVE-2026-6837

{"id": "CVE-2026-6837", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6837", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-04T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@zyxel.com.tw", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "affected": [{"source": "security@zyxel.com.tw", "affectedData": [{"vendor": "Zyxel", "product": "WAX650S firmware", "versions": [{"status": "affected", "version": "<= 7.10(ABRM.4)C0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-04T03:16:25.890", "references": [{"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-improper-authentication-vulnerabilities-in-certain-aps-fwa7-and-security-routers-08-04-2026", "source": "security@zyxel.com.tw"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security@zyxel.com.tw", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device."}], "lastModified": "2026-08-05T05:17:14.873", "sourceIdentifier": "security@zyxel.com.tw"}