CVE-2026-20435

{"id": "CVE-2026-20435", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.6, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/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": 0.9}]}, "published": "2026-03-02T09:16:16.600", "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/March-2026", "tags": ["Vendor Advisory"], "source": "security@mediatek.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@mediatek.com", "description": [{"lang": "en", "value": "CWE-522"}]}], "descriptions": [{"lang": "en", "value": "In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118."}, {"lang": "es", "value": "En el preloader, existe una posible lectura de identificadores \u00fanicos del dispositivo debido a un error de l\u00f3gica. Esto podr\u00eda llevar a una revelaci\u00f3n de informaci\u00f3n local, si un atacante tiene acceso f\u00edsico al dispositivo, sin necesidad de privilegios de ejecuci\u00f3n adicionales. No se necesita interacci\u00f3n del usuario para la explotaci\u00f3n. ID del parche: ALPS10607099; ID del problema: MSV-6118."}], "lastModified": "2026-03-03T12:52:46.900", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:yocto:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "437D8F9D-67DF-47A5-9C96-5B51D1562951"}, {"criteria": "cpe:2.3:a:rdkcentral:rdk-b:2022q3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1488152-CC93-40DF-8D1F-BF33DC8444FF"}, {"criteria": "cpe:2.3:a:rdkcentral:rdk-b:2024q1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CB397DA1-62B3-48FD-B694-9FDA4DA25EDE"}, {"criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"}, {"criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"}, {"criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED"}, {"criteria": "cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F0133207-2EED-4625-854F-8DB7770D5BF7"}, {"criteria": "cpe:2.3:o:openwrt:openwrt:23.05.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00113669-2850-4F0C-913A-92CA5290746E"}, {"criteria": "cpe:2.3:o:zephyrproject:zephyr:3.7.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8FA9F6FC-E722-428B-BB01-E9082DBF9A32"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt2737:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9C2A1118-B5F7-4EF5-B329-0887B5F3430E"}, {"criteria": "cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7FA8A390-9F52-4CF3-9B45-936CE3E2B828"}, {"criteria": "cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F726F486-A86F-4215-AD93-7A07A071844A"}, {"criteria": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "43E779F6-F0A0-4153-9A1D-B715C3A2F80E"}, {"criteria": "cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "06CD97E1-8A76-48B4-9780-9698EF5A960F"}, {"criteria": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C4EEE021-6B2A-47A0-AC6B-55525A40D718"}, {"criteria": "cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8B9B0D82-82C1-4A77-A016-329B99C45F49"}, {"criteria": "cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "66F9EAE4-F1D7-46DB-AA2A-0290F6EF0501"}, {"criteria": "cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9814939B-F05E-4870-90C0-7C0F6BAAEB39"}, {"criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB"}, {"criteria": "cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "89AFEE24-7AAD-4EDB-8C3E-EDBA3240730A"}, {"criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58"}, {"criteria": "cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "855A8046-34ED-4891-ACE5-76AB10AC8D53"}, {"criteria": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "704BE5CE-AE08-4432-A8B0-4C8BD62148AD"}, {"criteria": "cpe:2.3:h:mediatek:mt6880:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "68CF4A7A-3136-4C4C-A795-81323896BE11"}, {"criteria": "cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DD64413C-C774-4C4F-9551-89E1AA9469EE"}, {"criteria": "cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AF3E2B84-DAFE-4E11-B23B-026F719475F5"}, {"criteria": "cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "171D1C08-F055-44C0-913C-AA2B73AF5B72"}, {"criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401"}, {"criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB"}, {"criteria": "cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2A7D8055-F4B6-41EE-A078-11D56285AB66"}, {"criteria": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EB6B9A26-F8A1-4322-AA4E-CDF8F7D99000"}, {"criteria": "cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EA72CCD1-DEA2-48EB-8781-04CFDD41AAEE"}, {"criteria": "cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AD7DE6B2-66D9-4A3E-B15F-D56505559255"}, {"criteria": "cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1A76806D-A4E3-466A-90CB-E9FFE478E7A0"}, {"criteria": "cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "57E92BE0-5E65-4770-8E1A-0E5D07A38164"}, {"criteria": "cpe:2.3:h:mediatek:mt8169:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E5375050-4568-4919-BFE3-A72E1C7E65A2"}, {"criteria": "cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E4932D34-06F4-49D7-81FB-772A82E8A5B5"}, {"criteria": "cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BA3D4A45-38EE-4125-AE67-89D1C707F95A"}, {"criteria": "cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DA2B6BB9-7544-41A7-BF3A-344AA4CC4B31"}, {"criteria": "cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B774B7D7-B7DD-43A0-833F-7E39DF82CA60"}, {"criteria": "cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EE302F6F-170E-4350-A8F4-65BE0C50CB78"}, {"criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB"}, {"criteria": "cpe:2.3:h:mediatek:mt8696:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "26573298-76BC-49FE-8D99-CF03ED01B185"}, {"criteria": "cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2FBD3487-F8CE-406C-8BD7-DD57FF8CD60B"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@mediatek.com"}