CVE-2025-9688 | Mupen64Plus up to 2.6.0 is_viewer.c write_is_viewer integer overflow (EUVD-2025-26270)
A vulnerability marked as critical has been reported in Mupen64Plus up to 2.6.0. The affected element is the function write_is_viewer of the file src/device/cart/is_viewer.c. The manipulation leads to integer overflow.
This vulnerability is traded as CVE-2025-9688. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
To fix this issue, it is recommended to deploy a patch.