CVE-2025-20664 Information disclosure in MT7915, MT7916, MT7981, MT7986, MT7990, MT7992

High 7.5 Published Updated

A remote attacker can disclose information via an uncaught exception in the MediaTek Wi-Fi AP driver without user interaction.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-20664?

CVE-2025-20664 is a high-severity vulnerability in Mediatek Software Development Kit, published on 7 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In wlan AP driver, there is a possible information disclosure due to an uncaught exception. This could lead to remote (proximal/adjacent) information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00406217; Issue ID: MSV-2773.

Weakness: CWE-248

Which versions are affected by CVE-2025-20664?

It affects 7 products.

Products include Mediatek Mt7915, Mediatek Mt7916, Mediatek Mt7981, Mediatek Mt7986, Mediatek Mt7990, Mediatek Mt7992 and 1 more.

How do I fix CVE-2025-20664?

No fix has been published for CVE-2025-20664 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-20664 being exploited?

There is no known exploitation of CVE-2025-20664 in the wild and no public exploit code.

All Mediatek Software Development Kit vulnerabilities

Sources

Also known as GHSA-m9x3-4g44-fw28.

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