CVE-2023-20819: MediaTek LR11

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.

Affected products

• MediaTek LR11: affected versions not specified
• MediaTek LR12A: affected versions not specified
• MediaTek LR13: affected versions not specified
• MediaTek NR15: affected versions not specified
• MediaTek NR16: affected versions not specified
• MediaTek NR17: affected versions not specified

Published 2023-10-02. Last modified 2026-06-17.