CVE-2026-20482

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-20482
StatePUBLISHED
AssignerMediaTek
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-03 03:16:43 UTC
Updated2026-08-19 17:01:34 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from ADP

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.001820000 probability, percentile 0.080530000 (date 2026-08-19)

Problem Types: CWE-770 | CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Mediatek Mt7902 - All All All
Operating System Mediatek Mt7902 Firmware - All All All
Hardware Mediatek Mt7921 - All All All
Operating System Mediatek Mt7921 Firmware - All All All
Hardware Mediatek Mt7922 - All All All
Operating System Mediatek Mt7922 Firmware - All All All
Hardware Mediatek Mt8518s - All All All
Operating System Mediatek Mt8518s Firmware - All All All
Hardware Mediatek Mt8532 - All All All
Operating System Mediatek Mt8532 Firmware - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA MediaTek Inc. MediaTek Chipset affected MT7902 Not specified
CNA MediaTek Inc. MediaTek Chipset affected MT7921 Not specified
CNA MediaTek Inc. MediaTek Chipset affected MT7922 Not specified
CNA MediaTek Inc. MediaTek Chipset affected MT8518S Not specified
CNA MediaTek Inc. MediaTek Chipset affected MT8532 Not specified

References

ReferenceSourceLinkTags
www.mediatek.com/product-security-bulletin/August-2026 [email protected] www.mediatek.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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