Medium severity · published Nov 11, 2025
CVE-2025-31719
In TEE EcDSA algorithm, there is a possible memory consistency issue
5.1
CVSS
0.1%
EPSS
No
On KEV
Description
In TEE EcDSA algorithm, there is a possible memory consistency issue. This could lead to generated incorrect signature results with low probability.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T750/T765/T760/T770/T820/S8000/T8300/T9300 · Unisoc (Shanghai) Technologies Co., Ltd.
Android13/Android14/Android15/Android16 · source: vendor
Affected product
SC
SC7731E/SC9832E/SC9863A/T310/T606/T612/T616/T610/T618/T750/T765/T760/T770/T820/S8000/T8300/T9300
Unisoc (Shanghai) Technologies Co., Ltd.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-31719
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-31719
www.unisoc.com
https://www.unisoc.com/en/support/announcement/1987692028719517698
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