CVE-2025-20747: In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local…

CVE-2025-20747 · Severity: medium · CVSS 6.7 · Published 2025-11-04

In gnss service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10010443; Issue ID: MSV-3966.

Technologies: Google Android, MediaTek Mt2718, MediaTek MT2737, MediaTek Mt6835, MediaTek Mt6878, MediaTek Mt6886, MediaTek Mt6897, MediaTek Mt6899, MediaTek Mt6982, MediaTek Mt6985, MediaTek Mt6986, MediaTek Mt6986d, MediaTek Mt6989, MediaTek MT6990, MediaTek Mt6991, MediaTek MT8676, MediaTek MT8678, MediaTek MT8755, MediaTek MT8893, OpenWrt, Zephyrproject Zephyr. Vendors: Google, Linuxfoundation, MediaTek, OpenWrt, Zephyrproject.

Quick answers

Is CVE-2025-20747 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-20747 being exploited in the wild.
How severe is CVE-2025-20747?
Medium severity, with a CVSS score of 6.7, published 4 November 2025.
Which products and versions are affected?
Google Android, Linuxfoundation Yocto, MediaTek Mt2718, MediaTek MT2737 and 19 more. The advisory does not name versions.
Is there a fix for CVE-2025-20747?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-20747?
Check whether you run Google Android, Linuxfoundation Yocto, MediaTek Mt2718 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Google Android
  • Linuxfoundation Yocto
  • MediaTek Mt2718
  • MediaTek MT2737
  • MediaTek Mt6835
  • MediaTek Mt6878
  • MediaTek Mt6886
  • MediaTek Mt6897
  • MediaTek Mt6899
  • MediaTek Mt6982
  • MediaTek Mt6985
  • MediaTek Mt6986
  • MediaTek Mt6986d
  • MediaTek Mt6989
  • MediaTek MT6990
  • MediaTek Mt6991
  • MediaTek MT8676
  • MediaTek MT8678
  • MediaTek MT8755
  • MediaTek MT8893
  • OpenWrt
  • Rdkcentral Rdk-B
  • Zephyrproject Zephyr

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