BaseFortify

Publication date: 2025-10-20

Last updated on: 2025-11-04

Assigner: MITRE

Description

An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-20

Last Modified

2025-11-04

Generated

2026-07-06

AI Q&A

2025-10-20

EPSS Evaluated

2026-07-05

NVD

CVE-2025-26781

Affected Vendors & Products

Vendor	Product	Version / Range
samsung	exynos_w920_firmware	*
samsung	exynos_w920	*
samsung	exynos_1080_firmware	*
samsung	exynos_1080	*
samsung	exynos_980_firmware	*
samsung	exynos_980	*
samsung	exynos_990_firmware	*
samsung	exynos_990	*
samsung	exynos_850_firmware	*
samsung	exynos_850	*
samsung	exynos_2200_firmware	*
samsung	exynos_2200	*
samsung	exynos_1330_firmware	*
samsung	exynos_1330	*
samsung	exynos_1380_firmware	*
samsung	exynos_1380	*
samsung	exynos_1480_firmware	*
samsung	exynos_1480	*
samsung	exynos_9110_firmware	*
samsung	exynos_9110	*
samsung	modem_5400_firmware	*
samsung	modem_5400	*
samsung	modem_5123_firmware	*
samsung	modem_5123	*
samsung	exynos_w930_firmware	*
samsung	exynos_w930	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

Executive Summary

CVE-2025-26781 is a vulnerability in multiple Samsung Exynos processors and modems caused by incorrect handling of Radio Link Control (RLC) Acknowledged Mode (AM) Protocol Data Units (PDUs) within the Layer 2 (L2) component. This improper processing can lead to a Denial of Service (DoS) condition. [1]

Impact Analysis

This vulnerability can cause a Denial of Service (DoS) on affected Samsung Exynos processors and modems, potentially disrupting device functionality or connectivity. [1]

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