MediaTek MT8893 DA out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in MediaTek MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798 and MT8893 and classified as critical. Affected is an unknown function of the component DA. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2025-20639. The attack is only possible with local access. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in MediaTek MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798 and MT8893. This affects an unknown part 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: ALPS09291146; Issue ID: MSV-2060.

The advisory is shared at corp.mediatek.com. This vulnerability is uniquely identified as CVE-2025-20639 since 11/01/2024. The exploitability is told to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Applying the patch ALPS09291146 is able to eliminate this problem.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

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

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: 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: ALPS09291146

Timelineinfo

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

Sourcesinfo

Advisory: MSV-2060
Status: Confirmed

CVE: CVE-2025-20639 (🔍)
GCVE (CVE): GCVE-0-2025-20639
GCVE (VulDB): GCVE-100-294381

Entryinfo

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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