Improper initialization in UNISOC products - CVE-2025-31719
Published: December 1, 2025
Vulnerability identifier: #VU118909
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-31719
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: UNISOC
Affected software:
SC7731E
SC9832E
SC9863A
T310
T606
T612
T616
T610
T618
T750
T765
T760
T770
T820
S8000
T8300
T9300
SC7731E
SC9832E
SC9863A
T310
T606
T612
T616
T610
T618
T750
T765
T760
T770
T820
S8000
T8300
T9300
Detailed vulnerability description
The vulnerability allows a local application to bypass implemented security restrictions.
The vulnerability exists due to improper initialization in TEE EcDSA algorithm, which results in generation of incorrect signature results with low probability. A local application can bypass implemented security restrictions.
How to mitigate CVE-2025-31719
Install updates from vendor's website.