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CVE-2026-20504 Details

Description

In Modem, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00755024; Issue ID: MSV-7865.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.mediatek.com/product-security-bulletin/September-2026	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-617	Reachable Assertion	[email protected]

Affected Products

Product	Versions
mediatek mt2735 firmware	All versions
CPE cpe:2.3:o:mediatek:mt2735_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt2735	All versions
CPE cpe:2.3:h:mediatek:mt2735:-:::::::* Remediation No remediation found in references.
mediatek mt6833 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6833_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6833	All versions
CPE cpe:2.3:h:mediatek:mt6833:-:::::::* Remediation No remediation found in references.
mediatek mt6853 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6853_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6853	All versions
CPE cpe:2.3:h:mediatek:mt6853:-:::::::* Remediation No remediation found in references.
mediatek mt6855 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6855_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6855	All versions
CPE cpe:2.3:h:mediatek:mt6855:-:::::::* Remediation No remediation found in references.
mediatek mt6873 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6873_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6873	All versions
CPE cpe:2.3:h:mediatek:mt6873:-:::::::* Remediation No remediation found in references.
mediatek mt6875 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6875_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6875	All versions
CPE cpe:2.3:h:mediatek:mt6875:-:::::::* Remediation No remediation found in references.
mediatek mt6877 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6877_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6877	All versions
CPE cpe:2.3:h:mediatek:mt6877:-:::::::* Remediation No remediation found in references.
mediatek mt6880 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6880_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6880	All versions
CPE cpe:2.3:h:mediatek:mt6880:-:::::::* Remediation No remediation found in references.
mediatek mt6883 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6883_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6883	All versions
CPE cpe:2.3:h:mediatek:mt6883:-:::::::* Remediation No remediation found in references.
mediatek mt6885 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6885_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6885	All versions
CPE cpe:2.3:h:mediatek:mt6885:-:::::::* Remediation No remediation found in references.
mediatek mt6889 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6889_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6889	All versions
CPE cpe:2.3:h:mediatek:mt6889:-:::::::* Remediation No remediation found in references.
mediatek mt6890 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6890_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6890	All versions
CPE cpe:2.3:h:mediatek:mt6890:-:::::::* Remediation No remediation found in references.
mediatek mt6891 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6891_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6891	All versions
CPE cpe:2.3:h:mediatek:mt6891:-:::::::* Remediation No remediation found in references.
mediatek mt6893 firmware	All versions
CPE cpe:2.3:o:mediatek:mt6893_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt6893	All versions
CPE cpe:2.3:h:mediatek:mt6893:-:::::::* Remediation No remediation found in references.
mediatek mt8675 firmware	All versions
CPE cpe:2.3:o:mediatek:mt8675_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt8675	All versions
CPE cpe:2.3:h:mediatek:mt8675:-:::::::* Remediation No remediation found in references.
mediatek mt8771 firmware	All versions
CPE cpe:2.3:o:mediatek:mt8771_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt8771	All versions
CPE cpe:2.3:h:mediatek:mt8771:-:::::::* Remediation No remediation found in references.
mediatek mt8791 firmware	All versions
CPE cpe:2.3:o:mediatek:mt8791_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt8791	All versions
CPE cpe:2.3:h:mediatek:mt8791:-:::::::* Remediation No remediation found in references.
mediatek mt8791t firmware	All versions
CPE cpe:2.3:o:mediatek:mt8791t_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt8791t	All versions
CPE cpe:2.3:h:mediatek:mt8791t:-:::::::* Remediation No remediation found in references.
mediatek mt8797 firmware	All versions
CPE cpe:2.3:o:mediatek:mt8797_firmware:-:::::::* Remediation No remediation found in references.
mediatek mt8797	All versions
CPE cpe:2.3:h:mediatek:mt8797:-:::::::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 9, 2026	Initial Analysis	[email protected]
Sep 7, 2026	CVE Modified	CISA-ADP
Sep 7, 2026	New CVE Received	[email protected]

CVE-2026-20504 Details

Description

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References to Advisories, Solutions, and Tools

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