{"id":"CVE-2026-20541","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-20541","generatedAt":"2026-10-28T10:37:30.784Z","title":"In Modem, there is a possible out of bounds read due to a missing permission check.","description":"In Modem, there is a possible out of bounds read due to a missing permission check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01774038; Issue ID: MSV-8911.","published":"2026-10-05T02:16:53.000Z","lastModified":"2026-10-09T17:36:57.000Z","status":"Analyzed","sourceIdentifier":"security@mediatek.com","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-126"],"affected":["mediatek/mt6985 firmware","mediatek/mt6986 firmware","mediatek/mt6988 firmware","mediatek/mt6989 firmware","mediatek/mt6990 firmware","mediatek/mt6991 firmware","mediatek/mt6993 firmware","mediatek/mt8666 firmware","mediatek/mt8667 firmware","mediatek/mt8668 firmware","mediatek/mt8673 firmware","mediatek/mt8675 firmware","mediatek/mt8676 firmware","mediatek/mt8678 firmware","mediatek/mt8755 firmware","mediatek/mt8765 firmware","mediatek/mt8766 firmware","mediatek/mt8766r firmware","mediatek/mt8768 firmware","mediatek/mt8771 firmware","mediatek/mt8775 firmware","mediatek/mt8781 firmware","mediatek/mt8786 firmware","mediatek/mt8788 firmware","mediatek/mt8788e firmware","mediatek/mt8789 firmware","mediatek/mt8791 firmware","mediatek/mt8791t firmware","mediatek/mt8792 firmware","mediatek/mt8793 firmware","mediatek/mt8795t firmware","mediatek/mt8796 firmware","mediatek/mt8797 firmware","mediatek/mt8798 firmware","mediatek/mt8863 firmware","mediatek/mt8873 firmware","mediatek/mt8883 firmware","mediatek/mt8893 firmware","mediatek/mt2716 firmware","mediatek/mt2735 firmware","mediatek/mt2737 firmware","mediatek/mt6739 firmware","mediatek/mt6761 firmware","mediatek/mt6762 firmware","mediatek/mt6763 firmware","mediatek/mt6765 firmware","mediatek/mt6767 firmware","mediatek/mt6768 firmware","mediatek/mt6769 firmware","mediatek/mt6771 firmware","mediatek/mt6779 firmware","mediatek/mt6781 firmware","mediatek/mt6783 firmware","mediatek/mt6785 firmware","mediatek/mt6789 firmware","mediatek/mt6813 firmware","mediatek/mt6815 firmware","mediatek/mt6833 firmware","mediatek/mt6835 firmware","mediatek/mt6853 firmware"],"epss":{"score":0.00182,"percentile":0.07719,"date":"2026-10-27","history":[{"date":"2026-10-05","score":0.00182,"percentile":0.07047}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-05T12:15:08.000Z","detail":{"from":null,"score":"5.3","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 5.3 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-10-05T02:16:53.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-05T02:16:53.140Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/October-2026","tags":["Vendor Advisory"],"source":"security@mediatek.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20541","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}