CVE-2025-20635 Memory corruption in MT2737, MT6781, MT6789, MT6835, MT6855, MT6878, MT6879, MT6880, MT6886, MT6890, MT6895, MT6897, MT6980, MT6983, MT6985, MT6989, MT6990, MT8370, MT8390
A missing bounds check in MediaTek V6 DA allows local privilege escalation via out-of-bounds write, requiring physical access and user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-20635?
CVE-2025-20635 is a medium-severity memory corruption vulnerability in Google Android, published on 3 Feb 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In V6 DA, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09403752; Issue ID: MSV-2434.
Weakness: CWE-787
Which versions are affected by CVE-2025-20635?
It affects 4 products.
Products include Google Android, Linuxfoundation Yocto, Openwrt Openwrt, Rdkcentral Rdk-B.
How do I fix CVE-2025-20635?
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-2025-20635 being exploited?
There is no known exploitation of CVE-2025-20635 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-381771695, ASB-A-381771695, GHSA-c6pf-22fc-fhr3, M-ALPS09403752.