CVE-2026-8508

{"id": "CVE-2026-8508", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8508", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-04T18:46:46.545229Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@zyxel.com.tw", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@zyxel.com.tw", "affectedData": [{"vendor": "Zyxel", "product": "WAX650S firmware", "versions": [{"status": "affected", "version": "<= 7.10(ABRM.4)C0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-04T03:16:26.023", "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-287"}]}], "descriptions": [{"lang": "en", "value": "An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication."}], "lastModified": "2026-08-04T19:16:55.117", "sourceIdentifier": "security@zyxel.com.tw"}