CVE-2025-47900: microchip time provider 4100 OS Command Injection
CVSS: 8.9v4.0HighModified
Published 20-10-2025Last modified 31-03-2026
Vulnerability summary
CVE-2025-47900 is a high (CVSS 8.9) OS Command Injection vulnerability in microchip time provider 4100. EPSS estimates a 1.38% chance of exploitation in the next 30 days, higher than 71.7% of scored vulnerabilities.
CVSS score
8.9/10
010
High · v4.0 (CVE.org)EPSS score
1.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 20-10-2025PublishedVulnerability first disclosed.
- 31-03-2026Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versionsHigh 8.9Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HSourcesAll 2 agree
- NVDNIST8.9HighCVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
High 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
1.38%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.38% on 20-09-2026
20-09-202620-10-2026
EPSS score1.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microchip2 products
1 vendor · 2 products
References
2 links- www.microchip.com/en-us/…Vendor Advisory
- www.gruppotim.it/en/footer/TIM-red-team.htmlTechnical Description