CVE-2023-20819

CRITICAL

MediaTek LR11 LR12A LR13 NR15 NR16 NR17 - Out-of-bounds Write in CDMA PPP Protocol

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/October-2023

Scores

CVSS v3 9.8

EPSS 0.0168

EPSS Percentile 82.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (6)

mediatek/lr11

mediatek/lr12a

mediatek/lr13

mediatek/nr15

mediatek/nr16

mediatek/nr17

Published Oct 02, 2023

Tracked Since Feb 18, 2026