CVE-2022-21744

CRITICAL

MediaTek LR11/LR12/LR12A/LR13/LR9/NR15/NR16 - Out-of-bounds Write in GPRS Packet Neighbour Cell Data Decoding

Title source: llm

Description

In Modem 2G RR, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution when decoding GPRS Packet Neighbour Cell Data (PNCD) improper neighbouring cell size with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00810064; Issue ID: ALPS06641626.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

https://corp.mediatek.com/product-security-bulletin/July-2022

Scores

CVSS v3 9.8

EPSS 0.0505

EPSS Percentile 89.9%

Attack Vector NETWORK

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

Details

CWE

CWE-787

Status published

Products (7)

mediatek/lr11

mediatek/lr12

mediatek/lr12a

mediatek/lr13

mediatek/lr9

mediatek/nr15

mediatek/nr16

Published Jul 06, 2022

Tracked Since Feb 18, 2026