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Vulnerabilities

Security fix · CVE-2025-20673

In wlan STA driver, there is a possible system crash due to an uncaught exception.

Published Jun 2, 2025 · catalog updated Jun 2, 2025 · MediaTek, Inc. MT7902, MT7921, MT7922, MT7925, MT7927

Check if you run it

No confirmed exploitation is on record for CVE-2025-20673. EPSS is 0.17%. Act only if a listed version of MediaTek, Inc. MT7902, 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.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.17%
Remediation
Version ranges on file
Affected products
vendor MediaTek, Inc. MT7902, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.6 and before

In wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413200; Issue ID: MSV-3304.

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, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.6 and beforeNB SDK release 3.6 and before

How to fix CVE-2025-20673

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-2025-20673. EPSS is 0.17%. Act only if a listed version of MediaTek, Inc. MT7902, MT7921, MT7922, MT7925, MT7927 is installed.

Which versions are affected?

Compare what you have installed with MediaTek, Inc. MT7902, MT7921, MT7922, MT7925, MT7927 NB SDK release 3.6 and before NB SDK release 3.6 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 0.17%. 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 2, 2025 · EUVD

    Detected

    In wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413200; Issue ID: MSV-3304.

  2. Jun 2, 2025 · EUVD

    Updated

    In wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413200; Issue ID: MSV-3304.

Sources

  • CVE.orgVulnerability recordCVE-2025-20673

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-20673

    30-day exploitation probability 0.2%

    first.org
  • EUVDVulnerability recordEUVD-2025-16601

    In wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00413200; Issue ID: MSV-3304.

    euvd.enisa.europa.eu

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.