Input validation error in Samsung products - CVE-2025-66367

Vulnerability identifier: #VU136999

CSH Severity: Medium

CVSS v4.0: 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/E:U/U:Green

CVE-ID: CVE-2025-66367

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Samsung

Affected software:
Exynos 2500
Exynos Modem 5410
Exynos Modem 5400
Exynos Modem 5300
Exynos Modem 5123
Exynos W1000
Exynos W930
Exynos W920
Exynos 1680
Exynos 850
Exynos 1580
Exynos 2400
Exynos 1480
Exynos 1380
Exynos 1330
Exynos 2200
Exynos 1280
Exynos 2100

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

The vulnerability exists due to improper handling of NAS DLTransport messages. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Install updates from vendor's website.

• https://semiconductor.samsung.com/content/semiconductor/global/support/quality-support/product-security-updates/cve-2025-66367/