PT-2025-28198 · Samsung · Exynos 2400+1

Cheoljun Pack + 4 · Published 2025-07-07 · Updated 2025-07-07 · CVE-2025-26780

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Samsung Mobile Processor and Modem Exynos 2400 Samsung Mobile Processor and Modem Modem 5400

Description: An issue was discovered in L2, where the lack of a length check leads to a Denial of Service via a malformed PDCP packet.

Recommendations: For Samsung Mobile Processor and Modem Exynos 2400, apply a patch to add a length check for PDCP packets. For Samsung Mobile Processor and Modem Modem 5400, apply a patch to add a length check for PDCP packets.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2025-26780

Affected Products

Exynos 2400

Modem 5400

References · 4

• https://semiconductor.samsung.com/support/quality-support/product-security-updates · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-26780 · Security Note
• https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-26780 · Vendor Advisory
• https://twitter.com/CVEnew/status/1942264858503766270 · Twitter Post