CVE-2026-20541: MediaTek Modem vulnerability
In Modem, there is a possible out of bounds read due to a missing permission check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01774038; Issue ID: MSV-8911.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch MOLY01774038
Event History
Frequently Asked Questions
What conditions must an attacker meet to exploit this issue?
The attacker must control a rogue base station and have a UE connect to it. No additional execution privileges or user interaction are required.
What is the expected impact if exploitation succeeds?
Successful exploitation can cause a remote denial of service through an out-of-bounds read in the modem.
How can organizations identify the vendor fix for this issue?
The MediaTek patch identifier is MOLY01774038, and the associated issue identifier is MSV-8911.