Medium severity6.8NVD Advisory· Published Sep 3, 2025· Updated Jun 17, 2026

CVE-2023-21473

Description

Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Samsung Mobile/Exynos Fastboot USB Interfacellm-fuzzy
Range: < SMR Apr-2023 Release 1
Samsung Mobile/mobile devicesv5
Range: SMR Apr-2023 Release in Selected Android 11, 12, 13 Exynos devices

Patches

Vulnerability mechanics

References

security.samsungmobile.com/securityUpdate.smsbnvdVendor Advisory

News mentions

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