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Vulnerability record · CVE-2022-21744 · published 6 July 2022

CVE-2022-21744: Mediatek lr11 out-of-bounds write vulnerability

Mediatek · Lr11

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.

9.8 CVSS 3.1 Critical EPSS 3.4% · top 11.5% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 10.0
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-21744), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.