CVE-2025-20705 Use after free in MT2718, MT2735, MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6893, MT6895, MT6897, MT6899, MT6980D, MT6983, MT6985, MT6989, MT6990, MT6991, MT8169, MT8186, MT8188, MT8676, MT8678, MT8696, MT8775, MT8792, MT8796
A use-after-free vulnerability in MediaTek SoC firmware allows local attackers with System privileges to escalate privileges.
- 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-2025-20705?
CVE-2025-20705 is a high-severity use after free vulnerability in Google Android, published on 1 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In monitor_hang, there is a possible memory corruption due to use after free. 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: ALPS09989078; Issue ID: MSV-3964.
Weakness: CWE-416
Which versions are affected by CVE-2025-20705?
It affects 3 products.
Products include Google Android, Linuxfoundation Yocto, Openwrt Openwrt.
How do I fix CVE-2025-20705?
No fix has been published for CVE-2025-20705 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-20705 being exploited?
There is no known exploitation of CVE-2025-20705 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-8q38-g4mm-hvf4.