CVE-2025-20727: MediaTek LR12A

High severity, CVSS 8.1. EPSS: 0.6% chance of exploitation in the next 30 days.

In Modem, there is a possible out of bounds write due to a heap buffer overflow. 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 not needed for exploitation. Patch ID: MOLY01672601; Issue ID: MSV-4623.

Affected products

• MediaTek LR12A: affected versions not specified
• MediaTek NR15: affected versions not specified
• MediaTek NR16: affected versions not specified
• MediaTek NR17: affected versions not specified
• MediaTek NR17R: affected versions not specified

Published 2025-11-04. Last modified 2026-06-17.