CVE-2026-20420 | MediaTek MT8791 Base Station out-of-bounds
A vulnerability, which was classified as problematic, was found in MediaTek MT2735, MT2737, MT6813, MT6815, MT6833, MT6835, MT6853, MT6855, MT6858, MT6873, MT6875, MT6877, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6896, MT6897, MT6899, MT6980, MT6983, MT6985, MT6986, MT6989, MT6990, MT6991, MT6993, MT8676 and MT8791. The impacted element is an unknown function of the component Base Station Handler. Executing a manipulation can lead to out-of-bounds read.
This vulnerability is tracked as CVE-2026-20420. The attack can be launched remotely. No exploit exists.
It is best practice to apply a patch to resolve this issue.