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CVE-2026-20457 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01826924; Issue ID: MSV-7301.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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://corp.mediatek.com/product-security-bulletin/July-2026	[email protected]	AdvisoryBundleVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-476	NULL Pointer Dereference	[email protected]

Affected Products

Product	Versions
MediaTek MT2735	All versions
CPE cpe:2.3:h:mediatek:mt2735:::::::: cpe:2.3:o:mediatek:mt2735_firmware:::::::: Remediation No remediation found in references.
MediaTek MT2737	All versions
CPE cpe:2.3:h:mediatek:mt2737:::::::: cpe:2.3:o:mediatek:mt2737_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6739	All versions
CPE cpe:2.3:h:mediatek:mt6739:::::::: cpe:2.3:o:mediatek:mt6739_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6761	All versions
CPE cpe:2.3:h:mediatek:mt6761:::::::: cpe:2.3:o:mediatek:mt6761_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6762	All versions
CPE cpe:2.3:h:mediatek:mt6762:::::::: cpe:2.3:o:mediatek:mt6762_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6763	All versions
CPE cpe:2.3:h:mediatek:mt6763:::::::: cpe:2.3:o:mediatek:mt6763_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6765	All versions
CPE cpe:2.3:h:mediatek:mt6765:::::::: cpe:2.3:o:mediatek:mt6765_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6767	All versions
CPE cpe:2.3:h:mediatek:mt6767:::::::: cpe:2.3:o:mediatek:mt6767_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6768	All versions
CPE cpe:2.3:h:mediatek:mt6768:::::::: cpe:2.3:o:mediatek:mt6768_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6769	All versions
CPE cpe:2.3:h:mediatek:mt6769:::::::: cpe:2.3:o:mediatek:mt6769_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6771	All versions
CPE cpe:2.3:h:mediatek:mt6771:::::::: cpe:2.3:o:mediatek:mt6771_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6779	All versions
CPE cpe:2.3:h:mediatek:mt6779:::::::: cpe:2.3:o:mediatek:mt6779_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6781	All versions
CPE cpe:2.3:h:mediatek:mt6781:::::::: cpe:2.3:o:mediatek:mt6781_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6783	All versions
CPE cpe:2.3:h:mediatek:mt6783:::::::: cpe:2.3:o:mediatek:mt6783_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6785	All versions
CPE cpe:2.3:h:mediatek:mt6785:::::::: cpe:2.3:o:mediatek:mt6785_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6789	All versions
CPE cpe:2.3:h:mediatek:mt6789:::::::: cpe:2.3:o:mediatek:mt6789_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6833	All versions
CPE cpe:2.3:h:mediatek:mt6833:::::::: cpe:2.3:o:mediatek:mt6833_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6853	All versions
CPE cpe:2.3:h:mediatek:mt6853:::::::: cpe:2.3:o:mediatek:mt6853_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6855	All versions
CPE cpe:2.3:h:mediatek:mt6855:::::::: cpe:2.3:o:mediatek:mt6855_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6873	All versions
CPE cpe:2.3:h:mediatek:mt6873:::::::: cpe:2.3:o:mediatek:mt6873_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6875	All versions
CPE cpe:2.3:h:mediatek:mt6875:::::::: cpe:2.3:o:mediatek:mt6875_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6877	All versions
CPE cpe:2.3:h:mediatek:mt6877:::::::: cpe:2.3:o:mediatek:mt6877_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6879	All versions
CPE cpe:2.3:h:mediatek:mt6879:::::::: cpe:2.3:o:mediatek:mt6879_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6880	All versions
CPE cpe:2.3:h:mediatek:mt6880:::::::: cpe:2.3:o:mediatek:mt6880_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6883	All versions
CPE cpe:2.3:h:mediatek:mt6883:::::::: cpe:2.3:o:mediatek:mt6883_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6885	All versions
CPE cpe:2.3:h:mediatek:mt6885:::::::: cpe:2.3:o:mediatek:mt6885_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6886	All versions
CPE cpe:2.3:h:mediatek:mt6886:::::::: cpe:2.3:o:mediatek:mt6886_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6889	All versions
CPE cpe:2.3:h:mediatek:mt6889:::::::: cpe:2.3:o:mediatek:mt6889_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6890	All versions
CPE cpe:2.3:h:mediatek:mt6890:::::::: cpe:2.3:o:mediatek:mt6890_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6891	All versions
CPE cpe:2.3:h:mediatek:mt6891:::::::: cpe:2.3:o:mediatek:mt6891_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6893	All versions
CPE cpe:2.3:h:mediatek:mt6893:::::::: cpe:2.3:o:mediatek:mt6893_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6895	All versions
CPE cpe:2.3:h:mediatek:mt6895:::::::: cpe:2.3:o:mediatek:mt6895_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6896	All versions
CPE cpe:2.3:h:mediatek:mt6896:::::::: cpe:2.3:o:mediatek:mt6896_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6980	All versions
CPE cpe:2.3:h:mediatek:mt6980:::::::: cpe:2.3:o:mediatek:mt6980_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6983	All versions
CPE cpe:2.3:h:mediatek:mt6983:::::::: cpe:2.3:o:mediatek:mt6983_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6985	All versions
CPE cpe:2.3:h:mediatek:mt6985:::::::: cpe:2.3:o:mediatek:mt6985_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6989	All versions
CPE cpe:2.3:h:mediatek:mt6989:::::::: cpe:2.3:o:mediatek:mt6989_firmware:::::::: Remediation No remediation found in references.
MediaTek MT6990	All versions
CPE cpe:2.3:h:mediatek:mt6990:::::::: cpe:2.3:o:mediatek:mt6990_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8666	All versions
CPE cpe:2.3:h:mediatek:mt8666:::::::: Remediation No remediation found in references.
MediaTek MT8667	All versions
CPE cpe:2.3:h:mediatek:mt8667:::::::: cpe:2.3:h:mediatek:mt8666b:::::::: cpe:2.3:h:mediatek:mt8666a:::::::: Remediation No remediation found in references.
MediaTek MT8673	All versions
CPE cpe:2.3:o:mediatek:mt8673_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8675	All versions
CPE cpe:2.3:h:mediatek:mt8675:::::::: cpe:2.3:o:mediatek:mt8675_firmware:::::::: cpe:2.3:h:mediatek:mt8673:::::::: Remediation No remediation found in references.
MediaTek MT8765	All versions
CPE cpe:2.3:o:mediatek:mt8765_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8766	All versions
CPE cpe:2.3:h:mediatek:mt8765:::::::: Remediation No remediation found in references.
MediaTek MT8766R	All versions
CPE cpe:2.3:h:mediatek:mt8766r:::::::: cpe:2.3:h:mediatek:mt8766:::::::: cpe:2.3:h:mediatek:mt8766z:::::::: Remediation No remediation found in references.
MediaTek MT8768	All versions
CPE cpe:2.3:h:mediatek:mt8768:::::::: cpe:2.3:o:mediatek:mt8768_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8771	All versions
CPE cpe:2.3:h:mediatek:mt8771:::::::: cpe:2.3:o:mediatek:mt8771_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8781	All versions
CPE cpe:2.3:h:mediatek:mt8781:::::::: cpe:2.3:o:mediatek:mt8781_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8786	All versions
CPE cpe:2.3:o:mediatek:mt8786_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8788	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.
MediaTek MT8788E	All versions
CPE cpe:2.3:h:mediatek:mt8786:::::::: Remediation No remediation found in references.
MediaTek MT8789	All versions
CPE cpe:2.3:h:mediatek:mt8789:::::::: cpe:2.3:h:mediatek:mt8788:::::::: cpe:2.3:o:mediatek:mt8788_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8791	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.
MediaTek MT8791T	All versions
CPE cpe:2.3:h:mediatek:mt8791:::::::: Remediation No remediation found in references.
MediaTek MT8795T	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.
MediaTek MT8796	All versions
CPE cpe:2.3:o:mediatek:mt8796_firmware:::::::: cpe:2.3:h:mediatek:mt8795t:::::::: Remediation No remediation found in references.
MediaTek MT8797	All versions
CPE cpe:2.3:h:mediatek:mt8796:::::::: Remediation No remediation found in references.
MediaTek MT8798	All versions
CPE cpe:2.3:h:mediatek:mt8798:::::::: cpe:2.3:o:mediatek:mt8798_firmware:::::::: cpe:2.3:h:mediatek:mt8797:::::::: cpe:2.3:o:mediatek:mt8797_firmware:::::::: Remediation No remediation found in references.
MediaTek MT8893	All versions
CPE cpe:2.3:h:mediatek:mt8893:::::::: cpe:2.3:h:mediatek:mt8891:::::::: Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Jul 1, 2026	CVE Modified	CISA-ADP
Jul 1, 2026	New CVE Received	[email protected]

CVE-2026-20457 Details

ANALYZED

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

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