CVE-2025-27374

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-11-04 21:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-11-05 14:10 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 5.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2025-11-04 21:15 UTC

Last modified

2026-11-05 14:10 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-787 · Out-of-bounds write

Record status

Analyzed

Affected

• Samsung Exynos 9825 Firmware
• Samsung Exynos 9820 Firmware
• Samsung Exynos 980 Firmware
• Samsung Exynos 850 Firmware
• Samsung Exynos 2400 Firmware
• Samsung Exynos 1480 Firmware
• Samsung Exynos 1380 Firmware
• Samsung Exynos 1330 Firmware

Attack profile CVSS 3.1 · 5.3

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2025-27374.md and follow it. Check whether this project is affected by CVE-2025-27374. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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