CVE-2025-31719 Other in SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T750/T765/T760/T770/T820/S8000/T8300/T9300
A memory consistency issue in the TEE EcDSA algorithm may cause incorrect signature generation, affecting Unisoc mobile processors.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-31719?
CVE-2025-31719 is a medium-severity vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T750/T765/T760/T770/T820/S8000/T8300/T9300, published on 11 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In TEE EcDSA algorithm, there is a possible memory consistency issue. This could lead to generated incorrect signature results with low probability.
Which versions are affected by CVE-2025-31719?
How do I fix CVE-2025-31719?
No fix has been published for CVE-2025-31719 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-31719 being exploited?
There is no known exploitation of CVE-2025-31719 in the wild and no public exploit code.
Sources
Also known as GHSA-5477-5hg7-w7cj.