CVE-2025-11571: Command Execution vulnerability in Simplicity Installer

Severity: low (CVSS 2.1 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-24 · updated 2026-06-17
Weakness: CWE-78

Description

Vulnerable endpoints accept user-controlled input through a URL in JSON format which enables command execution. The commands allowed to execute can open executables. However, the commands cannot pass parameters or arguments. To successfully execute this attack, the attacker needs to be on the same network.

Affected products

silabs.com Simplicity Installer tool (Silicon Labs Tool - SLT) for Simplicity Studio v6: through 1.0.1
silabs.com Simplicity Studio v5: through 5.11.2.1

References

https://community.silabs.com/068Vm00000htltZ

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