CVE-2025-20722 Integer overflow in MT6835, MT6878, MT6886, MT6897, MT6899, MT6980D, MT6985, MT6989, MT6990, MT6991, MT8676, MT8678, MT8775, MT8791T, MT8796, MT8873

Medium 5.5 Published 14 Oct 2025 Updated 14 Oct 2025

A local attacker with system privileges can exploit an integer overflow in the GNSS driver to read out-of-bounds memory, disclosing sensitive information.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-20722?

CVE-2025-20722 is a medium-severity vulnerability in Google Android, published on 14 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In gnss driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09920036; Issue ID: MSV-3798.

Weakness: CWE-190

Which versions are affected by CVE-2025-20722?

It affects 3 products.

Products include Google Android, Openwrt Openwrt, Rdkcentral Rdk-B.

How do I fix CVE-2025-20722?

No fix has been published for CVE-2025-20722 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-20722 being exploited?

There is no known exploitation of CVE-2025-20722 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-xr7x-cgg3-q7vw.