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MediaTek Modem Uncaught Exception Vulnerability Leading to Remote Denial-of-Service

Vulnerability

A denial-of-service vulnerability has been identified in the MediaTek Modem component of various chipsets. This issue arises from an uncaught exception, which can cause a system crash. The vulnerability can be exploited remotely if a user equipment (UE) device is connected to a rogue base station controlled by an attacker. Notably, no additional execution privileges are required for exploitation, and user interaction is not needed.

Impact

Exploitation of this vulnerability can lead to a system crash, causing a denial-of-service condition on the affected device.

Remediation

A patch for this vulnerability is available as part of the MediaTek December 2025 Product Security Bulletin.

Added: Dec 2, 2025, 3:44 AM
Updated: Dec 2, 2025, 3:44 AM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
4.7
remediation
0.0
relevance
1.3
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.