{"id":"CVE-2026-66086","revision":"8d21ab9fe7ef4a41bdf1ab08e25c1977","records":[{"revision":"8d21ab9fe7ef4a41bdf1ab08e25c1977","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-66086","aliases":[],"title":"Stack-based Buffer Overflow in Modem","description":"In the modem OTA stack, there is a possible stack-based buffer overflow due to improper validation of scheduling information in SIB1 messages. This could lead to remote code execution or denial of service with no additional execution privileges needed.","state":0,"publishedAt":"2026-10-12T01:28:35.334+00:00","modifiedAt":"2026-10-15T18:08:53.064+00:00","affected":[{"ecosystem":"Vendor product","name":"Modem","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Unisoc (Shanghai) Technologies Co., Ltd.\",\n                    \"product\": \"Modem\",\n                    \"versions\": [\n                        {\n                            \"version\": \"T8100\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"T9100\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"UDX710\",\n                            \"status\": \"affected\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.3,"severity":"HIGH"}],"references":["https://www.unisoc.com/en/support/product-security-bulletin/2109454821805424641"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-66086","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-66086","identifiers":["CVE-2026-66086"]},"retained":false,"historicalAffected":[]}],"coverage":[]}