CVE-2026-20453: Medium severity geniezone vulnerability

Published Jun 1, 2026
·
Updated

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.

Affected Software

73 affected components
geniezone
All of the following
MediaTek Mt6739 Firmware
MediaTek Mt6739
All of the following
MediaTek Mt6761 Firmware
MediaTek Mt6761
All of the following
MediaTek Mt6765 Firmware
MediaTek Mt6765
All of the following
MediaTek Mt6768 Firmware
MediaTek Mt6768
All of the following
MediaTek Mt6781 Firmware
MediaTek Mt6781
All of the following
MediaTek Mt6789 Firmware
MediaTek Mt6789
All of the following
MediaTek Mt6835 Firmware
MediaTek Mt6835
All of the following
MediaTek Mt6853 Firmware
MediaTek Mt6853
All of the following
MediaTek Mt6855 Firmware
MediaTek Mt6855
All of the following
MediaTek Mt6877 Firmware
MediaTek Mt6877
All of the following
MediaTek Mt6878 Firmware
MediaTek Mt6878
All of the following
MediaTek Mt6879 Firmware
MediaTek Mt6879
All of the following
MediaTek Mt6883 Firmware
MediaTek Mt6883
All of the following
MediaTek Mt6885 Firmware
MediaTek Mt6885
All of the following
MediaTek Mt6886 Firmware
MediaTek Mt6886
All of the following
MediaTek Mt6889 Firmware
MediaTek Mt6889
All of the following
MediaTek Mt6893 Firmware
MediaTek Mt6893
All of the following
MediaTek Mt6895 Firmware
MediaTek Mt6895
All of the following
MediaTek Mt6897 Firmware
MediaTek Mt6897
All of the following
MediaTek Mt6899 Firmware
MediaTek Mt6899
All of the following
MediaTek Mt6983 Firmware
MediaTek Mt6983
All of the following
MediaTek Mt6985 Firmware
MediaTek Mt6985
All of the following
MediaTek Mt6989 Firmware
MediaTek Mt6989
All of the following
MediaTek Mt6991 Firmware
MediaTek Mt6991
All of the following
MediaTek Mt8673 Firmware
MediaTek Mt8673
All of the following
MediaTek Mt8765 Firmware
MediaTek Mt8765
All of the following
MediaTek Mt8766 Firmware
MediaTek Mt8766
All of the following
MediaTek Mt8768 Firmware
MediaTek Mt8768
All of the following
MediaTek Mt8781 Firmware
MediaTek Mt8781
All of the following
MediaTek Mt8786 Firmware
MediaTek Mt8786
All of the following
MediaTek Mt8788 Firmware
MediaTek Mt8788
All of the following
MediaTek Mt8791t Firmware
MediaTek Mt8791t
All of the following
MediaTek Mt8793 Firmware
MediaTek Mt8793
All of the following
MediaTek Mt8797 Firmware
MediaTek Mt8797
All of the following
MediaTek Mt8798 Firmware
MediaTek Mt8798
All of the following
MediaTek Mt8910 Firmware
MediaTek Mt8910

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade geniezone to a version that resolves this vulnerability.

    Patch ALPS10886526
  2. Compensating control

    Mitigate local privilege escalation risk by limiting System-privileged access to trusted users/processes (since exploitation may occur without user interaction if an attacker already has the System privilege).

Event History

Jun 1, 2026
CVE Published
via MITRE·03:20 AM
Data Sourced
via MITRE·03:20 AM
DescriptionWeakness
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-20453?

CVE-2026-20453 has a medium severity score of 6.7 on the CVSS scale.

2

What vulnerabilities does CVE-2026-20453 affect?

CVE-2026-20453 affects the geniezone and several MediaTek firmware versions including Mt6739, Mt6761, Mt6765, Mt6768, Mt6781, Mt6789, and Mt6835.

3

How do I fix CVE-2026-20453?

To fix CVE-2026-20453, apply the patch ID ALPS10886526 as soon as it is available.

4

What is the potential impact of CVE-2026-20453?

CVE-2026-20453 can lead to local escalation of privilege for an attacker with system privileges.

5

Is user interaction required to exploit CVE-2026-20453?

No, user interaction is not needed to exploit CVE-2026-20453.

Contact

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