An issue was discovered in NRMM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Lack of boundary check during the decoding of Registration Accept messages can lead to out-of-bounds writes on the stack
https://semiconductor.samsung.com/support/quality-support/product-security-updates/