How to fix CVE-2025-49494?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Is Modem 5123 Firmware affected by CVE-2025-49494?

CVE-2025-49494 presents notable security risk, a resource exhaustion vulnerability rated CVSS 7.5. Exploitation could cause service disruption or denial of service, impacting availability for legitimate users.

CVE-2025-49494

HIGH

2025-11-04 [email protected]

7.5

CVSS 3.1

CVSS Vector

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

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

CVE Published

Nov 04, 2025 - 20:17 nvd

HIGH 7.5

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.

Analysis

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 2100, 1280, 2200, 1330, 1380, 1480, 9110, Modem 5123. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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. Affected products include: Samsung Modem 5123 Firmware, Samsung Exynos 1280 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1480 Firmware.

Affected Products

Samsung Modem 5123 Firmware, Samsung Exynos 1280 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1480 Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +38

POC: 0

CVE-2025-49494 vulnerability details – vuln.today

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CVE-2025-49494

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

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CVE-2025-49494

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code