{"id":"CVE-2025-20727","aliases":["A-442295794","ASB-A-442295794","EUVD-2025-37575","GHSA-2fh7-g5h4-3598","M-MOLY01672601"],"status":"published","title":"In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead...","description":"In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege, 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: MOLY01672601; Issue ID: MSV-4623.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00563,"percentile":0.47147,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2025-11-04T06:19:40Z","modified":"2026-11-04T16:48:29Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2025-12-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2025-12-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"mediatek","product":"lr12a"},{"vendor":"mediatek","product":"nr15"},{"vendor":"mediatek","product":"nr16"},{"vendor":"mediatek","product":"nr17"},{"vendor":"mediatek","product":"nr17r"},{"vendor":"mediatek, inc.","product":"mt2735, mt2737, mt6739, mt6761, mt6762, mt6762d, mt6762m, mt6763, mt6765, mt6765t, mt6767, mt6768, mt6769, mt6769k, mt6769s, mt6769t, mt6769z, mt6771, mt6813, mt6833, mt6833p, mt6835, mt6835t, mt6853, mt6853t, mt6855, mt6855t, mt6873, mt6875, mt6875t, mt6877, mt6877t, mt6877tt, mt6878, mt6878m, mt6879, mt6880, mt6883, mt6885, mt6886, mt6889, mt6890, mt6891, mt6893, mt6895, mt6895tt, mt6896, mt6897, mt6899, mt6980, mt6980d, mt6983, mt6983t, mt6985, mt6985t, mt6989, mt6989t, mt6990, mt6991, mt8666, mt8667, mt8673, mt8675, mt8676, mt8678, mt8765, mt8766, mt8766r, mt8768, mt8771, mt8786, mt8788, mt8788e, mt8791, mt8791t, mt8792, mt8793, mt8795t, mt8797, mt8798, mt8863, mt8873, mt8883, mt8893"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/November-2025","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20727"},{"url":"https://github.com/advisories/GHSA-2fh7-g5h4-3598"},{"url":"https://source.android.com/security/bulletin/2025-12-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-20727","description":"In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege, 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: MOLY01672601; Issue ID: MSV-4623.","status":"published","published":"2025-11-04T06:19:40.087Z","modified":"2026-02-26T17:47:28.676Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-37575","description":"In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege, 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: MOLY01672601; Issue ID: MSV-4623.","status":"published","published":"2025-11-04T06:19:40Z","modified":"2026-02-26T17:47:28Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:23.405029Z"}],"ghsa":[{"id":"GHSA-2fh7-g5h4-3598","title":"In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead...","description":"In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege, 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: MOLY01672601; Issue ID: MSV-4623.","status":"published","published":"2025-11-04T09:31:16Z","modified":"2025-11-04T18:31:57Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:04:34.447716Z"}],"nvd":[{"id":"CVE-2025-20727","description":"In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege, 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: MOLY01672601; Issue ID: MSV-4623.","status":"published","published":"2025-11-04T07:15:34.54Z","modified":"2026-06-17T08:41:55.883Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:11:42.142547Z"}],"osv":[{"id":"ASB-A-442295794","status":"published","published":"2025-12-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.135383Z"}]}}