CVE-2025-20747 Details
Description
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.
A stack overflow vulnerability has been identified in the GNSS service of certain MediaTek chipsets. This issue arises from an incorrect bounds check, leading to a possible out-of-bounds write. If exploited, it could allow a malicious actor with system privileges to escalate privileges further.
Device OEMs have been notified of this vulnerability and the corresponding security patches are available. For further information, OEMs can contact their MediaTek representative.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Nov 5, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://corp.mediatek.com/product-security-bulletin/November-2025 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linuxfoundation yocto | 4.0 |
CPE
Remediation
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| rdkcentral rdk-b | 2024q1 |
CPE
Remediation
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| google android | 14.0 15.0 |
CPE
Remediation
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| openwrt openwrt | 21.02.0 - 23.05.0 - |
CPE
Remediation
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| zephyrproject zephyr | 3.7.0 - |
CPE
Remediation
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| mediatek mt2718 | All versions |
CPE
Remediation
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| mediatek mt2737 | All versions |
CPE
Remediation
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| mediatek mt6835 | All versions |
CPE
Remediation
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| mediatek mt6878 | All versions |
CPE
Remediation
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| mediatek mt6886 | All versions |
CPE
Remediation
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| mediatek mt6897 | All versions |
CPE
Remediation
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| mediatek mt6899 | All versions |
CPE
Remediation
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| mediatek mt6982 | All versions |
CPE
Remediation
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| mediatek mt6985 | All versions |
CPE
Remediation
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| mediatek mt6986 | All versions |
CPE
Remediation
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| mediatek mt6986d | All versions |
CPE
Remediation
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| mediatek mt6989 | All versions |
CPE
Remediation
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| mediatek mt6990 | All versions |
CPE
Remediation
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| mediatek mt6991 | All versions |
CPE
Remediation
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| mediatek mt8676 | All versions |
CPE
Remediation
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| mediatek mt8678 | All versions |
CPE
Remediation
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| mediatek mt8755 | All versions |
CPE
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| mediatek mt8893 | All versions |
CPE
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Nov 5, 2025 | Initial Analysis | [email protected] |
| Nov 4, 2025 | CVE Modified | CISA-ADP |
| Nov 4, 2025 | New CVE Received | [email protected] |