CVE-2025-47900: RCE on backup configuration password

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-20 · updated 2026-10-08
Weakness: CWE-78

Description

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Microchip Time Provider 4100 allows OS Command Injection.This issue affects Time Provider 4100: before 2.5.

Affected products

Microchip TimeProvider 4100: before 2.5 — fixed in 2.5

How to fix

Upgrade to a fixed version: Microchip TimeProvider 4100 2.5. Check the vendor advisory for mitigations.

References

https://www.gruppotim.it/en/footer/TIM-red-team.html
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-grandmaster-remote-command-execution

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