Denial of Service Vulnerability in Samsung Exynos Mobile Processor
CVE-2025-26780

7.5HIGH

Key Information:

Vendor

Samsung
Status
Exynos 2400 and Modem 5400
Vendor
CVE Published:
7 July 2025

What is CVE-2025-26780?

A critical vulnerability has been identified in the Samsung Exynos 2400 and Modem 5400, stemming from a lack of proper length checks in the processing of PDCP packets. Malformed packets can be sent to the affected devices, leading to potential Denial of Service conditions, which can disrupt device functionality and user access.

References

https://semiconductor.samsung.com/support/quality-support...
https://semiconductor.samsung.com/support/quality-support...

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

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-26780 : Denial of Service Vulnerability in Samsung Exynos Mobile Processor