MediaTek MT8676 DA out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in MediaTek MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6813, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6990, MT6991, MT8188, MT8196, MT8370, MT8390 and MT8676. This affects an unknown part of the component DA. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2025-20696. The attack may be carried out on the physical device. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in MediaTek MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6813, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6990, MT6991, MT8188, MT8196, MT8370, MT8390 and MT8676. This affects some unknown processing of the component DA. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In 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: ALPS09915215; Issue ID: MSV-3801.

It is possible to read the advisory at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2025-20696 since 11/01/2024. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Applying the patch ALPS09915215 is able to eliminate this problem.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-23484) and CERT Bund (WID-SEC-2025-1944). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Google Android

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes
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: ALPS09915215

Timelineinfo

11/01/2024 🔍
08/04/2025 +275 days 🔍
08/04/2025 +0 days 🔍
09/07/2025 +34 days 🔍

Sourcesinfo

Advisory: MSV-3801
Status: Confirmed

CVE: CVE-2025-20696 (🔍)
GCVE (CVE): GCVE-0-2025-20696
GCVE (VulDB): GCVE-100-318639
EUVD: 🔍
CERT Bund: WID-SEC-2025-1944 - Android Patchday September 2025: Multiple Vulnerabilities

Entryinfo

Created: 08/04/2025 07:04
Updated: 09/07/2025 18:18
Changes: 08/04/2025 07:04 (56), 08/04/2025 07:15 (1), 08/04/2025 13:23 (1), 09/07/2025 18:18 (8)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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