MediaTek MT8390 V6 DA out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in MediaTek MT2737, MT6781, MT6789, MT6835, MT6855, MT6878, MT6879, MT6880, MT6886, MT6890, MT6895, MT6897, MT6980, MT6983, MT6985, MT6989, MT6990, MT8370 and MT8390. This affects an unknown function of the component V6 DA. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2025-20635. The attack can only be executed locally. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in MediaTek MT2737, MT6781, MT6789, MT6835, MT6855, MT6878, MT6879, MT6880, MT6886, MT6890, MT6895, MT6897, MT6980, MT6983, MT6985, MT6989, MT6990, MT8370 and MT8390. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component V6 DA. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In V6 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09403752; Issue ID: MSV-2434.

It is possible to read the advisory at corp.mediatek.com. This vulnerability is known as CVE-2025-20635 since 11/01/2024. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS09403752 is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ALPS09403752

Timelineinfo

11/01/2024 🔍
02/03/2025 +94 days 🔍
02/03/2025 +0 days 🔍
02/03/2025 +0 days 🔍

Sourcesinfo

Advisory: MSV-2434
Status: Confirmed

CVE: CVE-2025-20635 (🔍)
GCVE (CVE): GCVE-0-2025-20635
GCVE (VulDB): GCVE-100-294379

Entryinfo

Created: 02/03/2025 07:05
Changes: 02/03/2025 07:05 (56)
Complete: 🔍
Cache ID: 216::103

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