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Vulnerability record · CVE-2025-26782 · published 20 October 2025

CVE-2025-26782: Samsung exynos w920 firmware uncontrolled resource consumption vulnerability

Samsung · Exynos W920 Firmware

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.

7.5 CVSS 3.1 High EPSS 0.60% · top 53.7% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
15Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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

Affected products

15 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://semiconductor.samsung.com/support/quality-support/product-security-updates/ Vendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-26782/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-54328Samsung exynos 980 firmware stack-based buffer overflow vulnerabilityAn issue was discovered in SMS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1…EPSS 0.52%9.8CVE-2025-52908Samsung exynos w1000 firmware classic buffer overflow vulnerabilityAn issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1280, 1330, 1380, 1480, 1580, W920, W…EPSS 0.50%9.8CVE-2025-62818Samsung exynos 990 firmware out-of-bounds write vulnerabilityAn issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 24…EPSS 0.46%9.8CVE-2025-52909Samsung exynos w1000 firmware classic buffer overflow vulnerabilityAn issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1280, 1330, 1380, 1480, 1580, W920, W…EPSS 0.50%9.8CVE-2025-52910Samsung exynos 1280 firmware use after free vulnerabilityAn issue was discovered in the GPU in Samsung Mobile Processor and Wearable Processor Exynos 1280, 2200, 1330, 1380, 1480, 2400. A Use-After-Free lea…EPSS 0.37%9.8CVE-2023-28613Samsung exynos 1280 firmware integer overflow vulnerabilityAn issue was discovered in Samsung Exynos Mobile Processor and Baseband Modem Processor for Exynos 1280, Exynos 2200, and Exynos Modem 5300. An integ…EPSS 1.2%9.8CVE-2023-26496Samsung exynos modem 5300 firmware out-of-bounds write vulnerabilityAn issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T5124. M…EPSS 23%9.8CVE-2023-26498Samsung exynos modem 5300 firmware out-of-bounds write vulnerabilityAn issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos Auto T5126. Memor…EPSS 23%

Source: NIST National Vulnerability Database (record CVE-2025-26782), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.