Modem 5300 Firmware vulnerabilities

3 known vulnerabilities in Modem 5300 Firmware from Samsung. 3 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.1 Critical severity

  Exynos 990 Firmware: Out-of-bounds Write

  CVE-2025-27807Jan 5, 2026Samsung

  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, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-

• 7.5 High severity

  Exynos 1280 Firmware: Heap-based Buffer Overflow

  CVE-2025-54329Nov 4, 2025Samsung

  An issue was discovered in NAS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. The function used to send a multipl

• 9.1 Critical severity

  Exynos 980 Firmware: Out-of-bounds Write

  CVE-2025-47202Jul 7, 2025Samsung

  In RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400, the lack of a length check leads to out-of-bounds wri