Description
In wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: BORA00154903; Issue ID: MSV-7575.
Published: 2026-08-03
Score: 4.4 Medium
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

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 19 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6988
Mediatek mt6988 Firmware
Mediatek mt6990
Mediatek mt6990 Firmware
CPEs cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6988:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6890_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6988_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6990_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6988
Mediatek mt6988 Firmware
Mediatek mt6990
Mediatek mt6990 Firmware

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

Type Values Removed Values Added
Title Local Denial of Service via Out-of-Bounds Write in MediaTek WiFi Driver

Mon, 03 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 03 Aug 2026 06:15:00 +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 wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: BORA00154903; Issue ID: MSV-7575.
Weaknesses CWE-787
References

Subscriptions

Mediatek Mt6890 Mt6890 Firmware Mt6988 Mt6988 Firmware Mt6990 Mt6990 Firmware
Mediatek, Inc. Mediatek Chipset
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published:

Updated: 2026-08-03T19:47:06.327Z

Reserved: 2025-11-03T01:30:59.026Z

Link: CVE-2026-20493

cve-icon Vulnrichment

Updated: 2026-08-03T19:47:00.007Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-03T03:16:44.443

Modified: 2026-08-19T15:08:40.987

Link: CVE-2026-20493

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses