CVE-2025-20798
Summary
| CVE | CVE-2025-20798 |
|---|---|
| State | PUBLISHED |
| Assigner | MediaTek |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-01-06 02:15:43 UTC |
| Updated | 2026-09-30 23:10:00 UTC |
| Description | In battery, there is a possible out of bounds write due to a missing 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: ALPS10315812; Issue ID: MSV-5533. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from ADP
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.000870000 probability, percentile 0.003230000 (date 2026-09-29)
Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds Write
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Android | 14.0 | All | All | All | |
| Operating System | Android | 15.0 | All | All | All | |
| Operating System | Android | 16.0 | - | All | All | |
| Hardware | Mediatek | Mt2718 | - | All | All | All |
| Hardware | Mediatek | Mt6765 | - | All | All | All |
| Hardware | Mediatek | Mt6768 | - | All | All | All |
| Hardware | Mediatek | Mt6781 | - | All | All | All |
| Hardware | Mediatek | Mt6833 | - | All | All | All |
| Hardware | Mediatek | Mt6835 | - | All | All | All |
| Hardware | Mediatek | Mt6853 | - | All | All | All |
| Hardware | Mediatek | Mt6855 | - | All | All | All |
| Hardware | Mediatek | Mt6877 | - | All | All | All |
| Hardware | Mediatek | Mt6879 | - | All | All | All |
| Hardware | Mediatek | Mt6893 | - | All | All | All |
| Hardware | Mediatek | Mt6985 | - | All | All | All |
| Hardware | Mediatek | Mt6989 | - | All | All | All |
| Hardware | Mediatek | Mt6991 | - | All | All | All |
| Hardware | Mediatek | Mt8186 | - | All | All | All |
| Hardware | Mediatek | Mt8188 | - | All | All | All |
| Hardware | Mediatek | Mt8196 | - | All | All | All |
| Hardware | Mediatek | Mt8367 | - | All | All | All |
| Hardware | Mediatek | Mt8391 | - | All | All | All |
| Hardware | Mediatek | Mt8676 | - | All | All | All |
| Hardware | Mediatek | Mt8678 | - | All | All | All |
| Hardware | Mediatek | Mt8696 | - | All | All | All |
| Hardware | Mediatek | Mt8766 | - | All | All | All |
| Hardware | Mediatek | Mt8768 | - | All | All | All |
| Hardware | Mediatek | Mt8781 | - | All | All | All |
| Hardware | Mediatek | Mt8786 | - | All | All | All |
| Hardware | Mediatek | Mt8788e | - | All | All | All |
| Hardware | Mediatek | Mt8791t | - | All | All | All |
| Hardware | Mediatek | Mt8792 | - | All | All | All |
| Hardware | Mediatek | Mt8793 | - | All | All | All |
| Hardware | Mediatek | Mt8796 | - | All | All | All |
| Hardware | Mediatek | Mt8873 | - | All | All | All |
| Hardware | Mediatek | Mt8883 | - | All | All | All |
| Hardware | Mediatek | Mt8893 | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT2718 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6765 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6768 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6781 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6833 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6835 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6853 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6855 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6877 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6879 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6893 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6985 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6989 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT6991 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8186 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8188 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8196 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8367 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8391 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8676 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8678 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8696 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8766 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8768 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8781 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8786 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8788E | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8791T | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8792 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8793 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8796 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8873 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8883 | Not specified |
| CNA | MediaTek Inc. | MediaTek Chipset | affected MT8893 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| corp.mediatek.com/product-security-bulletin/January-2026 | [email protected] | corp.mediatek.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.