Input validation error in Samsung products - CVE-2025-66364

Vulnerability identifier: #VU153919

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-66364

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the RRC component. A remote attacker can send control‑plane messages and perform a denial of service (DoS) attack.

Exynos 850
Exynos 1080
Exynos 2100
Exynos 1280
Exynos 2200
Exynos 1330
Exynos 1380
Exynos 1480
Exynos 2400
Exynos 1580
Exynos 2500
Exynos 1680
Exynos Modem 5123
Exynos Modem 5300
Exynos Modem 5400
Exynos Modem 5410

Install updates from vendor's website.

• https://semiconductor.samsung.com/content/semiconductor/global/support/quality-support/product-security-updates/cve-2025-66364/

• Multiple vulnerabilities in Samsung Exynos products