CVE-2025-3873 (GCVE-0-2025-3873)
Vulnerability from cvelistv5 – Published: 2025-07-25 15:46 – Updated: 2025-07-25 18:32
VLAI
EPSS
VEX
Title
Buffer overflow in Si91x crypto APIs
Summary
The following APIs for the Silcon Labs SiWx91x prior to vesion 3.4.0 failed to check the size of the output buffer of the caller which could lead to data corruption on the host (Cortex-M4) application.
sl_si91x_aes
sl_si91x_gcm
sl_si91x_ccm
sl_si91x_sha
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-25 18:31 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://docs.silabs.com/wiseconnect/latest/sisdk-… | release-notes |
| https://community.silabs.com/068Vm00000SSlOu | vendor-advisorypermissions-required |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| silabs.com | WiseConnect |
Affected:
3.0.0 , < 3.4.0
(semver)
|
guessed |
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