FKIE_CVE-2026-20456

Vulnerability from fkie_nvd - Published: 2026-06-01 04:16 - Updated: 2026-06-17 10:17
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.
References
security@mediatek.comhttps://corp.mediatek.com/product-security-bulletin/June-2026Vendor Advisory
Impacted products
Vendor Product Version
mediatek mt7902_firmware -
mediatek mt7902 -
mediatek mt7920_firmware -
mediatek mt7920 -
mediatek mt7921_firmware -
mediatek mt7921 -
mediatek mt7922_firmware -
mediatek mt7922 -
mediatek mt7925_firmware -
mediatek mt7925 -
mediatek mt7927_firmware -
mediatek mt7927 -
To clipboard 

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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
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          "scope": "UNCHANGED",
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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.