CVE-2026-20482: Medium severity MediaTek Mt8532 Firmware vulnerability

Published Aug 3, 2026
·
Updated

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.

Affected Software

10 affected components
All of the following
MediaTek Mt8532 Firmware
MediaTek Mt8532
All of the following
MediaTek Mt7902 Firmware
MediaTek Mt7902
All of the following
MediaTek Mt7921 Firmware
MediaTek Mt7921
All of the following
MediaTek Mt7922 Firmware
MediaTek Mt7922
All of the following
MediaTek Mt8518s Firmware
MediaTek Mt8518s

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch WCNCR00486814
  2. Compensating control

    Mitigate potential remote denial of service by limiting exposure of the affected WLAN STA firmware logging behavior (e.g., reduce logging verbosity or restrict network adjacency where the affected firmware runs) until Patch ID WCNCR00486814 is applied.

Event History

Aug 3, 2026
CVE Published
via MITRE·02:05 AM
Data Sourced
via MITRE·02:05 AM
DescriptionWeakness
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-20482?

The severity of CVE-2026-20482 is rated as medium with a score of 6.5.

2

How does CVE-2026-20482 affect system performance?

CVE-2026-20482 can cause the system to become unresponsive, leading to a denial of service.

3

What types of attacker privileges are required to exploit CVE-2026-20482?

CVE-2026-20482 does not require any additional execution privileges to exploit the vulnerability.

4

Is user interaction needed to exploit CVE-2026-20482?

No, user interaction is not needed for the exploitation of CVE-2026-20482.

5

What is the patch ID for CVE-2026-20482?

The patch ID for CVE-2026-20482 is WCNCR00486814.

Contact

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