What is the CVSS score of CVE-2025-27374?

CVE-2025-27374 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.1%.

Which versions of Exynos 9825 Firmware are affected by CVE-2025-27374?

CVE-2025-27374 presents moderate security risk, a out-of-bounds write vulnerability rated CVSS 5.3. Exploitation could cause memory corruption or application crashes.

How to fix or mitigate CVE-2025-27374?

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

Exynos 9825 Firmware CVE-2025-27374

MEDIUM

Out-of-bounds Write (CWE-787)

2025-11-04 cve@mitre.org

Memory Corruption Buffer Overflow Samsung Exynos 9825 Firmware Exynos 9820 Firmware Exynos 980 Firmware Exynos 850 Firmware Exynos 2400 Firmware Exynos 1480 Firmware Exynos 1380 Firmware Exynos 1330 Firmware Exynos 2200 Firmware Exynos 1280 Firmware Exynos 1080 Firmware

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

CVE Published

Nov 04, 2025 - 21:15 nvd

MEDIUM 5.3

DescriptionCVE.org

An issue was discovered in the Secure Boot component in Samsung Mobile Processor and Wearable Processor Exynos 9820, 9825, 980, 990, 850, 1080, 1280, 2200, 1330, 1380, 1480, 2400. The lack of a length check leads to out-of-bounds writes.

AnalysisAI

An issue was discovered in the Secure Boot component in Samsung Mobile Processor and Wearable Processor Exynos 9820, 9825, 980, 990, 850, 1080, 1280, 2200, 1330, 1380, 1480, 2400. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. An issue was discovered in the Secure Boot component in Samsung Mobile Processor and Wearable Processor Exynos 9820, 9825, 980, 990, 850, 1080, 1280, 2200, 1330, 1380, 1480, 2400. The lack of a length check leads to out-of-bounds writes. Affected products include: Samsung Exynos 9825 Firmware, Samsung Exynos 9820 Firmware, Samsung Exynos 980 Firmware, Samsung Exynos 850 Firmware, Samsung Exynos 2400 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).