Unsecured Modem Allows Rogue Base Station to Gain Elevated Access

Summary

A security weakness in the Modem software allows a malicious base station to potentially take control of a connected device without permission. This could happen if a user connects to a fake base station set up by an attacker. To stay safe, ensure you apply the latest security updates to your Modem software.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions	Fix available
mediatek	lr12a	All versions	–
mediatek	lr13	All versions	–
mediatek	nr15	All versions	–
mediatek	nr16	All versions	–
mediatek	nr17	All versions	–

Original title

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the a...

Original description

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY00782946; Issue ID: MSV-4135.

nvd CVSS3.1 7.5

Vulnerability type

CWE-787 Out-of-bounds Write

https://corp.mediatek.com/product-security-bulletin/March-2026 Vendor Advisory