Out of Bounds Write Vulnerability in GNSS Service by MediaTek
CVE-2025-20746

6.7MEDIUM

Key Information:

Vendor

MediaTek
Status
Mt2718, Mt2737, Mt6835, Mt6878, Mt6886, Mt6897, Mt6899, Mt6982, Mt6985, Mt6986, Mt6986d, Mt6989, Mt6990, Mt6991, Mt8676, Mt8678, Mt8755, Mt8893
Vendor
CVE Published:
4 November 2025

What is CVE-2025-20746?

The GNSS service in MediaTek devices is susceptible to an out of bounds write due to a flawed bounds check. This vulnerability enables a malicious actor with system privileges to escalate their access level further, without the need for user interaction. It is crucial for users to apply the available patches to mitigate potential exploits.

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Deploy the Patch

Affected Version(s)

MT2718, MT2737, MT6835, MT6878, MT6886, MT6897, MT6899, MT6982, MT6985, MT6986, MT6986D, MT6989, MT6990, MT6991, MT8676, MT8678, MT8755, MT8893 Android 14.0, 15.0 / openWRT 21.02, 23.05 / Yocto 4.0 / RDK-B 24Q1 / Zephyr 3.7.0

References

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

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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