CVE-2022-21744

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-06 · updated 2026-06-17
Weakness: CWE-787

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.

Affected products

Mediatek Lr11: all versions
Mediatek Lr12: all versions
Mediatek Lr12A: all versions
Mediatek Lr13: all versions
Mediatek Lr9: all versions
Mediatek Nr15: all versions
Mediatek Nr16: all versions

References

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

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