MediaTek MT8910 geniezone out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MediaTek MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8673, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T, MT8793, MT8797, MT8798 and MT8910. This affects an unknown function of the component geniezone. Executing a manipulation can lead to out-of-bounds write. This vulnerability is handled as CVE-2026-20453. It is possible to launch the attack on the local host. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in MediaTek MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8673, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8791T, MT8793, MT8797, MT8798 and MT8910. This vulnerability affects an unknown functionality of the component geniezone. 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. CVE summarizes:

In geniezone, 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: ALPS10886526; Issue ID: MSV-6791.

The advisory is available at corp.mediatek.com. This vulnerability was named CVE-2026-20453 since 11/03/2025. The exploitation appears to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Applying the patch ALPS10886526 is able to eliminate this problem.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: 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: ALPS10886526

Timelineinfo

11/03/2025 CVE reserved
06/01/2026 +209 days Advisory disclosed
06/01/2026 +0 days VulDB entry created
06/01/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: MSV-6791
Status: Confirmed

CVE: CVE-2026-20453 (🔒)
GCVE (CVE): GCVE-0-2026-20453
GCVE (VulDB): GCVE-100-367606

Entryinfo

Created: 06/01/2026 08:00
Changes: 06/01/2026 08:00 (56)
Complete: 🔍
Cache ID: 216::103

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