What is CVE-2025-27807?

CVE-2025-27807 is a critical-severity vulnerability in Samsung Exynos_1080, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2026-01-05.

How severe is CVE-2025-27807?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Buffer overflow in Samsung Exynos_1080

CVE-2025-27807

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a lengt…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (22.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Samsung Exynos_1080
Samsung Exynos_1080_firmware
Samsung Exynos_1280
Samsung Exynos_1280_firmware
Samsung Exynos_1330
Samsung Exynos_1330_firmware
Samsung Exynos_1380
Samsung Exynos_1380_firmware
Samsung Exynos_1480
Samsung Exynos_1480_firmware

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-27807?: CVE-2025-27807 is a critical-severity vulnerability in Samsung Exynos_1080, classified under Out-of-bounds Write. CVSS score: 9.1/10. Published 2026-01-05.
How severe is CVE-2025-27807?: Critical severity. CVSS v3 base score is 9.1 out of 10.