Vulnerability Monitor

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CVE-2026-20455


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: ALPS10873936; Issue ID: MSV-6784.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 72 products from mediatek, from mediatek, from mediatek and 69 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-06-01T04:16:22.163

Last Modified

2026-06-01T17:56:37.953

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-787

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System mediatek mt6739_firmware - Yes
Hardware mediatek mt6739 - No
Operating System mediatek mt6761_firmware - Yes
Hardware mediatek mt6761 - No
Operating System mediatek mt6765_firmware - Yes
Hardware mediatek mt6765 - No
Operating System mediatek mt6768_firmware - Yes
Hardware mediatek mt6768 - No
Operating System mediatek mt6781_firmware - Yes
Hardware mediatek mt6781 - No
Operating System mediatek mt6789_firmware - Yes
Hardware mediatek mt6789 - No
Operating System mediatek mt6835_firmware - Yes
Hardware mediatek mt6835 - No
Operating System mediatek mt6853_firmware - Yes
Hardware mediatek mt6853 - No
Operating System mediatek mt6855_firmware - Yes
Hardware mediatek mt6855 - No
Operating System mediatek mt6877_firmware - Yes
Hardware mediatek mt6877 - No
Operating System mediatek mt6878_firmware - Yes
Hardware mediatek mt6878 - No
Operating System mediatek mt6879_firmware - Yes
Hardware mediatek mt6879 - No
Operating System mediatek mt6883_firmware - Yes
Hardware mediatek mt6883 - No
Operating System mediatek mt6885_firmware - Yes
Hardware mediatek mt6885 - No
Operating System mediatek mt6886_firmware - Yes
Hardware mediatek mt6886 - No
Operating System mediatek mt6889_firmware - Yes
Hardware mediatek mt6889 - No
Operating System mediatek mt6893_firmware - Yes
Hardware mediatek mt6893 - No
Operating System mediatek mt6895_firmware - Yes
Hardware mediatek mt6895 - No
Operating System mediatek mt6897_firmware - Yes
Hardware mediatek mt6897 - No
Operating System mediatek mt6899_firmware - Yes
Hardware mediatek mt6899 - No
Operating System mediatek mt6983_firmware - Yes
Hardware mediatek mt6983 - No
Operating System mediatek mt6985_firmware - Yes
Hardware mediatek mt6985 - No
Operating System mediatek mt6989_firmware - Yes
Hardware mediatek mt6989 - No
Operating System mediatek mt6991_firmware - Yes
Hardware mediatek mt6991 - No
Operating System mediatek mt8673_firmware - Yes
Hardware mediatek mt8673 - No
Operating System mediatek mt8765_firmware - Yes
Hardware mediatek mt8765 - No
Operating System mediatek mt8766_firmware - Yes
Hardware mediatek mt8766 - No
Operating System mediatek mt8768_firmware - Yes
Hardware mediatek mt8768 - No
Operating System mediatek mt8781_firmware - Yes
Hardware mediatek mt8781 - No
Operating System mediatek mt8786_firmware - Yes
Hardware mediatek mt8786 - No
Operating System mediatek mt8788_firmware - Yes
Hardware mediatek mt8788 - No
Operating System mediatek mt8791t_firmware - Yes
Hardware mediatek mt8791t - No
Operating System mediatek mt8793_firmware - Yes
Hardware mediatek mt8793 - No
Operating System mediatek mt8797_firmware - Yes
Hardware mediatek mt8797 - No
Operating System mediatek mt8798_firmware - Yes
Hardware mediatek mt8798 - No
Operating System mediatek mt8910_firmware - Yes
Hardware mediatek mt8910 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mediatek's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.