Integer Underflow Vulnerability in Silicon Lab’s PSA Crypto and SE Manager APIs
CVE-2025-14547

2.3LOW

Key Information:

Vendor

Silabs.com

Status
Simplicity Sdk
Gecko Sdk
Vendor
CVE Published:
20 February 2026

What is CVE-2025-14547?

Silicon Labs' implementation of PSA Crypto and SE Manager EC-JPAKE APIs contains an integer underflow vulnerability during zero-knowledge proof (ZKP) parsing. This flaw can be exploited to trigger a hard fault, resulting in a temporary denial of service, which may disrupt service and affect user accessibility.

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Deploy the Patch

Affected Version(s)

Gecko SDK 0 <= 2.5.x

Simplicity SDK 0 <= 2025.6.2

References

https://community.silabs.com/068Vm00000e1UTF
vendor-advisorypermissions-required

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

SecMate, including Maxime Rossi Bellom and Ramtine Tofighi Shirazi
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