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    "cveMetadata": {
        "cveId": "CVE-2026-12489",
        "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "state": "PUBLISHED",
        "assignerShortName": "Zyxel",
        "dateReserved": "2026-06-17T03:45:11.296Z",
        "datePublished": "2026-10-20T02:04:49.838Z",
        "dateUpdated": "2026-10-20T02:04:49.838Z"
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                "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
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                "dateUpdated": "2026-10-20T02:04:49.838Z"
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                            "lang": "en",
                            "cweId": "CWE-863",
                            "description": "CWE-863 Incorrect Authorization",
                            "type": "CWE"
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            "affected": [
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                    "vendor": "Zyxel",
                    "product": "EX3501-T0 firmware",
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                            "version": "<= 5.44(ACHR.6)C0"
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                    "value": "An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.",
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            "references": [
                {
                    "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-incorrect-authorization-vulnerability-in-the-dal-of-certain-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-10-20-2026",
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                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.5,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
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            "source": {
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