CVE-2026-20482

WLAN STA Firmware Logging Causes Remote Denial of Service on MediaTek Chipsets

Published Aug 3, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
In wlan STA FW, there is a possible system becoming unresponsive due to logging. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00486814; Issue ID: MSV-6824.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

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History
Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt7902
Mediatek mt7902 Firmware
Mediatek mt7921
Mediatek mt7921 Firmware
Mediatek mt7922
Mediatek mt7922 Firmware
Mediatek mt8518s
Mediatek mt8518s Firmware
Mediatek mt8532
Mediatek mt8532 Firmware
CPEs cpe:2.3:h:mediatek:mt7902:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7921:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7922:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8518s:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8532:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7902_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7921_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt7922_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8518s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8532_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt7902
Mediatek mt7902 Firmware
Mediatek mt7921
Mediatek mt7921 Firmware
Mediatek mt7922
Mediatek mt7922 Firmware
Mediatek mt8518s
Mediatek mt8518s Firmware
Mediatek mt8532
Mediatek mt8532 Firmware
Type Values Removed Values Added
Title WLAN STA Firmware Logging Causes Remote Denial of Service on MediaTek Chipsets
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

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

Type Values Removed Values Added
First Time appeared Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Type Values Removed Values Added
Description In wlan STA FW, there is a possible system becoming unresponsive due to logging. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00486814; Issue ID: MSV-6824.
Weaknesses CWE-770
References