Out of Bounds Read Vulnerability in Mediatek GNSS Driver
CVE-2025-20722

5.5MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt6835, Mt6878, Mt6886, Mt6897, Mt6899, Mt6980d, Mt6985, Mt6989, Mt6990, Mt6991, Mt8676, Mt8678, Mt8775, Mt8791t, Mt8796, Mt8873
Vendor
CVE Published:
14 October 2025

What is CVE-2025-20722?

The GNSS driver developed by Mediatek contains a significant out of bounds read vulnerability attributed to an integer overflow. By exploiting this flaw, an attacker with system privileges may gain access to sensitive local information without requiring any user interaction. This vulnerability, linked to patch ID ALPS09920036, underscores the importance of timely software updates to mitigate potential exploitation.

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Deploy the Patch

Affected Version(s)

MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873 Android 14.0, 15.0 / openWRT 21.02, 23.05 / RDKB 24Q1

References

https://corp.mediatek.com/product-security-bulletin/Octob...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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