CVE-2025-20645 Memory corruption in MT6765, MT6768, MT6833, MT6835, MT6853, MT6855, MT6879, MT6886, MT6893, MT6897, MT6983, MT6985, MT6989, MT8796

High 7.8 Published Updated

A missing bounds check in KeyInstall allows local attackers with System privileges to escalate privileges via out-of-bounds write.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2025-20645?

CVE-2025-20645 is a high-severity memory corruption vulnerability in Google Android, published on 3 Mar 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In KeyInstall, there is a possible out of bounds write due to a missing bounds check. 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: ALPS09475476; Issue ID: MSV-2599.

Weakness: CWE-787

Which versions are affected by CVE-2025-20645?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2025-20645?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-20645 being exploited?

There is no known exploitation of CVE-2025-20645 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-386732172, ALPS09475476, ASB-A-386732172, GHSA-3wj6-xwvq-325w.

Is CVE-2025-20645 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free