• Security CVES
• Medium CVE-2025-31719

• CVE ID CVE-2025-31719
• Title Improper Initialization in TEE EcDSA algorithm
• Description

  In TEE EcDSA algorithm, there is a possible memory consistency issue. This could lead to generated incorrect signature results with low probability.

• Technology Area TEE
• Vulnerability Type CWE-665 Improper Initialization
• Access Vector Local
• CVSS Rating Medium
• CVSS Score 5.1
• CVSS String CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
• Affected Chipsets*

  SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T750/T765/T760/T770/T820/S8000/T8300/T9300

• Affected Software Versions

  Android13/Android14/Android15/Android16

*The list of affected chipsets may not be complete. For latest information, device OEMs can contact directly at https://unisupport.unisoc.com

• Abbreviation Interpretation
• RCE Remote Code Execution
• EoP Elevation of Privilege
• ID Information Disclosure
• DoS Denial of Service
• N/A Classification not available

• Version Date Description
• 1.0 2025-11-01