An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. An out-of-bounds write occurs due to a mismatch between the TP-UDHI and UDL values when processing an SMS TP-UD packet.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/ Vendor Advisory
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-62818/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 9.8 · samsungNVD modified 2026-10-26 21:10
Affected (CPE criteria) 20
cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_1580_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_2500_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_w1000_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_modem_5400_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*