Out of Bounds Write Vulnerability in MediaTek Modem

CVE-2026-20563

What is CVE-2026-20563?

In MediaTek Modem, an out of bounds write vulnerability exists due to an improper bounds check. This issue may result in a remote denial of service, particularly when a User Equipment (UE) connects to a compromised base station operated by an attacker. Notably, exploitation of this vulnerability does not require any special execution privileges or user interaction, making it a significant risk for affected devices. Users are encouraged to monitor updates and apply necessary patches to safeguard their systems.

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