Improper Validation of Syntactic Correctness of Input in MediaTek products - CVE-2025-20644

Vulnerability identifier: #VU105186

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-20644

CWE-ID: CWE-1286

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to incorrect error handling within Modem. A local application can perform service disruption.

MT6983T
MT6890
MT6895
MT6895TT
MT6896
MT6980
MT6980D
MT6983
MT6985
MT6985T
MT6989
MT6989T
MT6990
MT8673
MT8791T
MT8795T
MT8798
MT6875T
MT2737
MT6833
MT6833P
MT6855
MT6855T
MT2735
MT6877T
MT6877TT
MT6879
MT6880
MT6886
Samsung Mobile Firmware
MT6891
MT6893
MT6889
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
Google Android

Install security update from vendor's website.

Samsung Mobile Firmware - update to SMR-APR-2025
Google Android - addressed in versions 12L 2025-03-05, 12 2025-03-05, 13 2025-03-05, 14 2025-03-05, 15 2025-03-05

• https://corp.mediatek.com/product-security-bulletin/March-2025

• Multiple vulnerabilities in MediaTek chipsets
• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in Samsung Mobile Firmware (April 2025)