#VU108763 Out-of-bounds read in Samsung products - CVE-2025-27891

Vulnerability identifier: #VU108763

Vulnerability risk: High

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2025-27891

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Exynos 980
Exynos 850
Exynos 1080
Exynos 2100
Exynos 1280
Exynos 2200
Exynos 1330
Exynos 1380
Exynos 1480
Exynos 2400
Exynos W920
Exynos W930
Exynos W1000
Exynos Modem 5123
Exynos Modem 5300
Exynos Modem 5400
Exynos 990

Software vendor:
Samsung

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Install updates from vendor's website.

• https://semiconductor.samsung.com/content/semiconductor/global/support/quality-support/product-security-updates/cve-2025-27891/