# 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…

Source: https://junglewise.ai/threats/cve-2025-20747-in-gnss-service-there-is-a-possible-out-of-bounds-write-due-to-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-04  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/android), [MediaTek Mt2718](https://junglewise.ai/threats/technologies/mt2718), [MediaTek MT2737](https://junglewise.ai/threats/technologies/mt2737), [MediaTek Mt6835](https://junglewise.ai/threats/technologies/mt6835), [MediaTek Mt6878](https://junglewise.ai/threats/technologies/mt6878), [MediaTek Mt6886](https://junglewise.ai/threats/technologies/mt6886), [MediaTek Mt6897](https://junglewise.ai/threats/technologies/mt6897), [MediaTek Mt6899](https://junglewise.ai/threats/technologies/mt6899), [MediaTek Mt6982](https://junglewise.ai/threats/technologies/mt6982), [MediaTek Mt6985](https://junglewise.ai/threats/technologies/mt6985), [MediaTek Mt6986](https://junglewise.ai/threats/technologies/mt6986), [MediaTek Mt6986d](https://junglewise.ai/threats/technologies/mt6986d), [MediaTek Mt6989](https://junglewise.ai/threats/technologies/mt6989), [MediaTek MT6990](https://junglewise.ai/threats/technologies/mt6990), [MediaTek Mt6991](https://junglewise.ai/threats/technologies/mt6991), [MediaTek MT8676](https://junglewise.ai/threats/technologies/mt8676), [MediaTek MT8678](https://junglewise.ai/threats/technologies/mt8678), [MediaTek MT8755](https://junglewise.ai/threats/technologies/mt8755), [MediaTek MT8893](https://junglewise.ai/threats/technologies/mt8893), [OpenWrt](https://junglewise.ai/threats/technologies/openwrt), [Zephyrproject Zephyr](https://junglewise.ai/threats/technologies/zephyrproject-zephyr). Vendors: [Google](https://junglewise.ai/threats/vendors/google), [Linuxfoundation](https://junglewise.ai/threats/vendors/linuxfoundation), [MediaTek](https://junglewise.ai/threats/vendors/mediatek), [OpenWrt](https://junglewise.ai/threats/vendors/openwrt), [Zephyrproject](https://junglewise.ai/threats/vendors/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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- [Android HEVC decoder buffer overflow in sub_layer_hrd_parameters](https://junglewise.ai/threats/cve-2026-95397-in-sub-layer-hrd-parameters-of-hevc-decoder-there-is-a-possible)
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