Out-of-Bounds Write Vulnerability in Samsung Exynos Mobile and Wearable Processors
CVE-2024-56426

7.5HIGH

Key Information:

Vendor

Samsung

Vendor
CVE Published:
4 November 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2024-56426?

A vulnerability exists in Samsung's Exynos mobile and wearable processors due to improper validation on incoming USB packets. This lack of length checks can potentially lead to out-of-bounds writes, allowing attackers to modify memory contents and execute arbitrary code. The affected processors include a range of Exynos models widely used in various devices, posing significant risks if exploited.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.