Integer overflow in MediaTek products - CVE-2025-20722

Vulnerability identifier: #VU116740

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-2025-20722

CWE-ID: CWE-190

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 an integer overflow within gnss. A local application can perform service disruption.

MT6835
MT6878
MT6886
MT6897
MT6899
MT6980D
MT6985
MT6989
MT6990
MT6991
MT8676
MT8678
MT8775
MT8791T
MT8796
MT8873
Lenovo Idea Tab Pro (TB373FU)
TB373FU Lenovo Idea Tab Pro

Install security update from vendor's website.

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

• Multiple vulnerabilities in MediaTek chipsets
• Multiple vulnerabilities in Lenovo Idea Tab Pro