High severity · published Oct 20, 2025
CVE-2025-47900
RCE on backup configuration password
8.8
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TP
Time Provider 4100 · Microchip
before 2.5 · source: vendor
T4
Timeprovider 4100 Firmware · Microchip
before 2.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-47900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-47900
www.gruppotim.it
https://www.gruppotim.it/en/footer/TIM-red-team.html
Vendor Advisory
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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