CVE-2025-20671 | MediaTek MT8678 thermal out-of-bounds write (MSV-3228 / ALPS09698599)

A vulnerability was found in MediaTek MT2718, MT6878, MT6897, MT6899, MT6989, MT6991, MT8196, MT8391, MT8676 and MT8678 and classified as critical. Affected by this issue is some unknown functionality of the component thermal. The manipulation leads to out-of-bounds write.

This vulnerability is handled as CVE-2025-20671. Local access is required to approach this attack. There is no exploit available.

It is recommended to apply a patch to fix this issue.