CVE-2025-26780 — HIGH (7.5)

Vulnerability Description

An issue was discovered in L2 in Samsung Mobile Processor and Modem Exynos 2400 and Modem 5400. The lack of a length check leads to a Denial of Service via a malformed PDCP packet.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Samsung	Exynos 2400 Firmware	-
Samsung	Exynos 2400	-
Samsung	Modem 5400 Firmware	-
Samsung	Modem 5400	-

Related Weaknesses (CWE)

CWE-20

References

https://semiconductor.samsung.com/support/quality-support/product-security-updatVendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updatVendor Advisory

FAQ

What is CVE-2025-26780?

CVE-2025-26780 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in L2 in Samsung Mobile Processor and Modem Exynos 2400 and Modem 5400. The lack of a length check leads to a Denial of Service via a malformed PDCP packet.

How severe is CVE-2025-26780?

CVE-2025-26780 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-26780?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Exynos 2400 Firmware, Samsung Exynos 2400, Samsung Modem 5400 Firmware, Samsung Modem 5400.