CVE-2025-20659 | MediaTek MT8863 Modem out-of-bounds (MSV-2768 / MOLY01519028)
A vulnerability was found in MediaTek MT2735, MT2737, MT6739, MT6761, MT6762, MT6762D, MT6762M, MT6763, MT6765, MT6765T, MT6767, MT6768, MT6769, MT6769K, MT6769S, MT6769T, MT6769Z, MT6771, MT6779, MT6781, MT6783, MT6785, MT6785T, MT6785U, MT6789, 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, MT8768, MT8771, MT8781, MT8786, MT8788, MT8788E, MT8791T, MT8796, MT8797, MT8798 and MT8863. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Modem. The manipulation leads to out-of-bounds read.
This vulnerability is known as CVE-2025-20659. The attack can be launched remotely. There is no exploit available.
It is recommended to apply a patch to fix this issue.