{"id":"CVE-2026-20540","aliases":["EUVD-2026-92183","GHSA-qcwv-wm5j-jgj5"],"status":"published","title":"In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead...","description":"In Modem, there is a possible out of bounds read due to a missing bounds 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-8912.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00182,"percentile":0.07869,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-126"],"published":"2026-10-05T01:40:20Z","modified":"2026-10-09T17:36:44Z","products":[{"vendor":"mediatek","product":"mt2716_firmware"},{"vendor":"mediatek","product":"mt2735_firmware"},{"vendor":"mediatek","product":"mt2737_firmware"},{"vendor":"mediatek","product":"mt6739_firmware"},{"vendor":"mediatek","product":"mt6761_firmware"},{"vendor":"mediatek","product":"mt6762_firmware"},{"vendor":"mediatek","product":"mt6763_firmware"},{"vendor":"mediatek","product":"mt6765_firmware"},{"vendor":"mediatek","product":"mt6767_firmware"},{"vendor":"mediatek","product":"mt6768_firmware"},{"vendor":"mediatek","product":"mt6769_firmware"},{"vendor":"mediatek","product":"mt6771_firmware"},{"vendor":"mediatek","product":"mt6779_firmware"},{"vendor":"mediatek","product":"mt6781_firmware"},{"vendor":"mediatek","product":"mt6783_firmware"},{"vendor":"mediatek","product":"mt6785_firmware"},{"vendor":"mediatek","product":"mt6789_firmware"},{"vendor":"mediatek","product":"mt6813_firmware"},{"vendor":"mediatek","product":"mt6815_firmware"},{"vendor":"mediatek","product":"mt6833_firmware"},{"vendor":"mediatek","product":"mt6835_firmware"},{"vendor":"mediatek","product":"mt6853_firmware"},{"vendor":"mediatek","product":"mt6855_firmware"},{"vendor":"mediatek","product":"mt6858_firmware"},{"vendor":"mediatek","product":"mt6873_firmware"},{"vendor":"mediatek","product":"mt6875_firmware"},{"vendor":"mediatek","product":"mt6877_firmware"},{"vendor":"mediatek","product":"mt6878_firmware"},{"vendor":"mediatek","product":"mt6879_firmware"},{"vendor":"mediatek","product":"mt6880_firmware"},{"vendor":"mediatek","product":"mt6881_firmware"},{"vendor":"mediatek","product":"mt6883_firmware"},{"vendor":"mediatek","product":"mt6885_firmware"},{"vendor":"mediatek","product":"mt6886_firmware"},{"vendor":"mediatek","product":"mt6889_firmware"},{"vendor":"mediatek","product":"mt6890_firmware"},{"vendor":"mediatek","product":"mt6891_firmware"},{"vendor":"mediatek","product":"mt6893_firmware"},{"vendor":"mediatek","product":"mt6895_firmware"},{"vendor":"mediatek","product":"mt6896_firmware"},{"vendor":"mediatek","product":"mt6897_firmware"},{"vendor":"mediatek","product":"mt6899_firmware"},{"vendor":"mediatek","product":"mt6980_firmware"},{"vendor":"mediatek","product":"mt6982_firmware"},{"vendor":"mediatek","product":"mt6983_firmware"},{"vendor":"mediatek","product":"mt6985_firmware"},{"vendor":"mediatek","product":"mt6986_firmware"},{"vendor":"mediatek","product":"mt6988_firmware"},{"vendor":"mediatek","product":"mt6989_firmware"},{"vendor":"mediatek","product":"mt6990_firmware"},{"vendor":"mediatek","product":"mt6991_firmware"},{"vendor":"mediatek","product":"mt6993_firmware"},{"vendor":"mediatek","product":"mt8666_firmware"},{"vendor":"mediatek","product":"mt8667_firmware"},{"vendor":"mediatek","product":"mt8668_firmware"},{"vendor":"mediatek","product":"mt8673_firmware"},{"vendor":"mediatek","product":"mt8675_firmware"},{"vendor":"mediatek","product":"mt8676_firmware"},{"vendor":"mediatek","product":"mt8678_firmware"},{"vendor":"mediatek","product":"mt8755_firmware"},{"vendor":"mediatek","product":"mt8765_firmware"},{"vendor":"mediatek","product":"mt8766_firmware"},{"vendor":"mediatek","product":"mt8766r_firmware"},{"vendor":"mediatek","product":"mt8768_firmware"},{"vendor":"mediatek","product":"mt8771_firmware"},{"vendor":"mediatek","product":"mt8775_firmware"},{"vendor":"mediatek","product":"mt8781_firmware"},{"vendor":"mediatek","product":"mt8786_firmware"},{"vendor":"mediatek","product":"mt8788_firmware"},{"vendor":"mediatek","product":"mt8788e_firmware"},{"vendor":"mediatek","product":"mt8789_firmware"},{"vendor":"mediatek","product":"mt8791_firmware"},{"vendor":"mediatek","product":"mt8791t_firmware"},{"vendor":"mediatek","product":"mt8792_firmware"},{"vendor":"mediatek","product":"mt8793_firmware"},{"vendor":"mediatek","product":"mt8795t_firmware"},{"vendor":"mediatek","product":"mt8796_firmware"},{"vendor":"mediatek","product":"mt8797_firmware"},{"vendor":"mediatek","product":"mt8798_firmware"},{"vendor":"mediatek","product":"mt8863_firmware"},{"vendor":"mediatek","product":"mt8873_firmware"},{"vendor":"mediatek","product":"mt8883_firmware"},{"vendor":"mediatek","product":"mt8893_firmware"},{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/October-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20540"},{"url":"https://github.com/advisories/GHSA-qcwv-wm5j-jgj5"}],"sources":{"cve":[{"id":"CVE-2026-20540","description":"In Modem, there is a possible out of bounds read due to a missing bounds 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-8912.","status":"published","published":"2026-10-05T01:40:20.448Z","modified":"2026-10-05T10:13:13.551Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-92183","description":"In Modem, there is a possible out of bounds read due to a missing bounds 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-8912.","status":"published","published":"2026-10-05T01:40:20Z","modified":"2026-10-05T10:13:13Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:40.640907Z"}],"ghsa":[{"id":"GHSA-qcwv-wm5j-jgj5","title":"In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead...","description":"In Modem, there is a possible out of bounds read due to a missing bounds 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-8912.","status":"published","published":"2026-10-05T03:30:26Z","modified":"2026-10-05T12:32:29Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T15:12:48.068686Z"}],"nvd":[{"id":"CVE-2026-20540","description":"In Modem, there is a possible out of bounds read due to a missing bounds 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-8912.","status":"published","published":"2026-10-05T02:16:53.01Z","modified":"2026-10-09T17:36:44.673Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T14:12:53.75133Z"}]}}