CVE-2026-20497

MEDIUM CVSS 3.1: 6.0 EPSS 0.11%
Updated Aug 19, 2026
Mediatek
Parameter Value
CVSS 6.0 (MEDIUM)
Type CWE-787 (Out-of-bounds Write)
Vendor Mediatek
Public PoC No

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: ALPS10965550 / ALPS11393405; Issue ID: MSV-6941.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 22

Configuration From (including) Up to (excluding)
Mediatek Mt6989_Firmware
cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
Mediatek Mt6989
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
Mediatek Mt8755_Firmware
cpe:2.3:o:mediatek:mt8755_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8755
cpe:2.3:h:mediatek:mt8755:-:*:*:*:*:*:*:*
Mediatek Mt8768_Firmware
cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8768
cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*
Mediatek Mt8771_Firmware
cpe:2.3:o:mediatek:mt8771_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8771
cpe:2.3:h:mediatek:mt8771:-:*:*:*:*:*:*:*
Mediatek Mt8775_Firmware
cpe:2.3:o:mediatek:mt8775_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8775
cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:*
Mediatek Mt8781_Firmware
cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8781
cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
Mediatek Mt8791t_Firmware
cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8791t
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
Mediatek Mt8792_Firmware
cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8792
cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
Mediatek Mt8796_Firmware
cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8796
cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
Mediatek Mt8797_Firmware
cpe:2.3:o:mediatek:mt8797_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8797
cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*
Mediatek Mt8798_Firmware
cpe:2.3:o:mediatek:mt8798_firmware:-:*:*:*:*:*:*:*
Mediatek Mt8798
cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:*