Description
In Modem, there is a possible out of bounds read 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: MOLY00741071; Issue ID: MSV-7620.
Published: 2026-08-03
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Wed, 19 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt2735
Mediatek mt2735 Firmware
Mediatek mt6833
Mediatek mt6833 Firmware
Mediatek mt6853
Mediatek mt6853 Firmware
Mediatek mt6855
Mediatek mt6855 Firmware
Mediatek mt6873
Mediatek mt6873 Firmware
Mediatek mt6875
Mediatek mt6875 Firmware
Mediatek mt6877
Mediatek mt6877 Firmware
Mediatek mt6880
Mediatek mt6880 Firmware
Mediatek mt6883
Mediatek mt6883 Firmware
Mediatek mt6885
Mediatek mt6885 Firmware
Mediatek mt6889
Mediatek mt6889 Firmware
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6891
Mediatek mt6891 Firmware
Mediatek mt6893
Mediatek mt6893 Firmware
Mediatek mt8675
Mediatek mt8675 Firmware
Mediatek mt8771
Mediatek mt8771 Firmware
Mediatek mt8791
Mediatek mt8791 Firmware
Mediatek mt8791t
Mediatek mt8791t Firmware
Mediatek mt8797
Mediatek mt8797 Firmware
CPEs cpe:2.3:h:mediatek:mt2735:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6880:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6891:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8675:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8771:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt2735_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6833_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6873_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6875_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6880_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6883_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6890_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6891_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6893_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8675_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8771_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8791_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8797_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt2735
Mediatek mt2735 Firmware
Mediatek mt6833
Mediatek mt6833 Firmware
Mediatek mt6853
Mediatek mt6853 Firmware
Mediatek mt6855
Mediatek mt6855 Firmware
Mediatek mt6873
Mediatek mt6873 Firmware
Mediatek mt6875
Mediatek mt6875 Firmware
Mediatek mt6877
Mediatek mt6877 Firmware
Mediatek mt6880
Mediatek mt6880 Firmware
Mediatek mt6883
Mediatek mt6883 Firmware
Mediatek mt6885
Mediatek mt6885 Firmware
Mediatek mt6889
Mediatek mt6889 Firmware
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6891
Mediatek mt6891 Firmware
Mediatek mt6893
Mediatek mt6893 Firmware
Mediatek mt8675
Mediatek mt8675 Firmware
Mediatek mt8771
Mediatek mt8771 Firmware
Mediatek mt8791
Mediatek mt8791 Firmware
Mediatek mt8791t
Mediatek mt8791t Firmware
Mediatek mt8797
Mediatek mt8797 Firmware

Tue, 04 Aug 2026 11:15:00 +0000

Type Values Removed Values Added
Title Modem Out-of-Bounds Read Leading to Remote Denial of Service in MediaTek Chipsets

Mon, 03 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 03 Aug 2026 04:00:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset

Mon, 03 Aug 2026 02:45:00 +0000

Type Values Removed Values Added
Description In Modem, there is a possible out of bounds read 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: MOLY00741071; Issue ID: MSV-7620.
Weaknesses CWE-125
References

Subscriptions

Mediatek Mt2735 Mt2735 Firmware Mt6833 Mt6833 Firmware Mt6853 Mt6853 Firmware Mt6855 Mt6855 Firmware Mt6873 Mt6873 Firmware Mt6875 Mt6875 Firmware Mt6877 Mt6877 Firmware Mt6880 Mt6880 Firmware Mt6883 Mt6883 Firmware Mt6885 Mt6885 Firmware Mt6889 Mt6889 Firmware Mt6890 Mt6890 Firmware Mt6891 Mt6891 Firmware Mt6893 Mt6893 Firmware Mt8675 Mt8675 Firmware Mt8771 Mt8771 Firmware Mt8791 Mt8791 Firmware Mt8791t Mt8791t Firmware Mt8797 Mt8797 Firmware
Mediatek, Inc. Mediatek Chipset
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-08-03T18:59:07.574Z

Reserved: 2025-11-03T01:30:59.021Z

Link: CVE-2026-20479

cve-icon Vulnrichment

Updated: 2026-08-03T18:59:02.677Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-03T03:16:42.980

Modified: 2026-08-19T17:17:08.190

Link: CVE-2026-20479

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-04T11:00:07Z

Weaknesses