CVE-2023-26076: Samsung Exynos 1280 Firmware

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G SM message codec can occur due to insufficient parameter validation when decoding reserved options.

Affected products

  • Samsung Exynos 1280 Firmware: affected versions not specified
  • Samsung Exynos 2200 Firmware: affected versions not specified
  • Samsung Exynos Auto t5123 Firmware: affected versions not specified
  • Samsung Exynos Modem 5123 Firmware: affected versions not specified
  • Samsung Exynos Modem 5300 Firmware: affected versions not specified

Published 2023-03-13. Last modified 2026-06-17.