What is the CVSS score of CVE-2025-54329?

CVE-2025-54329 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Exynos 1280 Firmware are affected by CVE-2025-54329?

CVE-2025-54329 presents notable security risk, a heap-based buffer overflow vulnerability rated CVSS 7.5.

How to fix or mitigate CVE-2025-54329?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

Exynos 1280 Firmware CVE-2025-54329

HIGH

Heap-based Buffer Overflow (CWE-122)

2025-11-04 cve@mitre.org

Buffer Overflow Samsung Heap Overflow Exynos 1280 Firmware Exynos 1330 Firmware Exynos 1380 Firmware Exynos 1480 Firmware Exynos 1580 Firmware Exynos 2100 Firmware Exynos 2200 Firmware Exynos 2400 Firmware Exynos 2500 Firmware Exynos 850 Firmware Exynos 980 Firmware Exynos 990 Firmware Exynos W930 Firmware Exynos W920 Firmware Exynos W1000 Firmware Modem 5123 Firmware Modem 5300 Firmware Modem 5400 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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 - 17:16 nvd

HIGH 7.5

DescriptionCVE.org

An issue was discovered in NAS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. The function used to send a multiple-payloads message (including an SMS message) lacks bounds checking, which can lead to a heap overflow.

AnalysisAI

An issue was discovered in NAS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000, Modem 5123,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. An issue was discovered in NAS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. The function used to send a multiple-payloads message (including an SMS message) lacks bounds checking, which can lead to a heap overflow. Affected products include: Samsung Exynos 1280 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 Firmware, Samsung Exynos 1580 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.