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Vulnerabilities

Security fix · CVE-2025-20728

In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check.

Published Nov 4, 2025 · catalog updated Feb 26, 2026 · MediaTek, Inc. MT7902, MT7920, MT7921, MT7922, MT7925, MT7927

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-20728. EPSS is 0.15%. Act only if a listed version of MediaTek, Inc. MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Version ranges on file
Affected products
vendor MediaTek, Inc. MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.7 and before

In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00447115; Issue ID: MSV-4276.

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.

  • vendor MediaTek, Inc. MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.7 and beforeNB SDK release 3.7 and before

How to fix CVE-2025-20728

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-2025-20728. EPSS is 0.15%. Act only if a listed version of MediaTek, Inc. MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 is installed.

Which versions are affected?

Compare what you have installed with MediaTek, Inc. MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.7 and before NB SDK release 3.7 and before. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. 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. Nov 4, 2025 · EUVD

    Detected

    In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00447115; Issue ID: MSV-4276.

  2. Feb 26, 2026 · EUVD

    Updated

    In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00447115; Issue ID: MSV-4276.

Sources

  • CVE.orgVulnerability recordCVE-2025-20728

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-20728

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2025-37567

    In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00447115; Issue ID: MSV-4276.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 24, 2026