CVE-2025-49494: modem 5123 DoS — Fix

Description

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 2100, 1280, 2200, 1330, 1380, 1480, 9110, Modem 5123. Mishandling of an 5G NRMM packet leads to a Denial of Service.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
samsung	modem_5123_firmware	All
samsung	modem_5123	All
samsung	exynos_1280_firmware	All
samsung	exynos_1280	All
samsung	exynos_1380_firmware	All
samsung	exynos_1380	All
samsung	exynos_1330_firmware	All
samsung	exynos_1330	All
samsung	exynos_1480_firmware	All
samsung	exynos_1480	All
samsung	exynos_2100_firmware	All
samsung	exynos_2100	All
samsung	exynos_9110_firmware	All
samsung	exynos_9110	All
samsung	exynos_2200_firmware	All
samsung	exynos_2200	All

References

Advisories & Patches

https://semiconductor.samsung.com/support/quality-support/product-security-updates/ https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-49494/

Frequently Asked Questions

What is CVE-2025-49494? +

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 2100, 1280, 2200, 1330, 1380, 1480, 9110, Modem 5123. Mishandling of an 5G NRMM packet leads to a Denial of Service. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-49494? +

CVE-2025-49494 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-49494? +

CVE-2025-49494 affects products from samsung, specifically: exynos_1280, exynos_1280_firmware, exynos_1330, exynos_1330_firmware, exynos_1380, exynos_1380_firmware, exynos_1480, exynos_1480_firmware, exynos_2100, exynos_2100_firmware, exynos_2200, exynos_2200_firmware, exynos_9110, exynos_9110_firmware, modem_5123, modem_5123_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-49494? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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