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Vulnerabilities

Security fix · CVE-2026-20454

In geniezone, there is a possible out of bounds write due to a race condition.

Published Jun 1, 2026 · catalog updated Jul 22, 2026 · mt8673 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-20454. EPSS is 0.08%. Act only if a listed version of mt8673 firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.08%
Remediation
Advisory link
Affected products
cpe mediatek/mt8673 firmware · cpe mediatek/mt8765 firmware · cpe mediatek/mt8766 firmware · cpe mediatek/mt8768 firmware · cpe mediatek/mt8781 firmware · cpe mediatek/mt8786 firmware

In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6786.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe mediatek/mt8673 firmwareversion unspecified
  • cpe mediatek/mt8765 firmwareversion unspecified
  • cpe mediatek/mt8766 firmwareversion unspecified
  • cpe mediatek/mt8768 firmwareversion unspecified
  • cpe mediatek/mt8781 firmwareversion unspecified
  • cpe mediatek/mt8786 firmwareversion unspecified
  • cpe mediatek/mt8788 firmwareversion unspecified
  • cpe mediatek/mt8791t firmwareversion unspecified
  • cpe mediatek/mt8793 firmwareversion unspecified
  • cpe mediatek/mt8797 firmwareversion unspecified
  • cpe mediatek/mt8798 firmwareversion unspecified
  • cpe mediatek/mt8910 firmwareversion unspecified

How to fix CVE-2026-20454

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-20454. EPSS is 0.08%. Act only if a listed version of mt8673 firmware is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition. EPSS 0.08%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 1, 2026 · NIST NVD

    Detected

    In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6786.

  2. Jul 22, 2026 · NIST NVD

    Updated

    In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6786.

Sources

  • CVE.orgVulnerability recordCVE-2026-20454

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-20454

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-20454

    In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.