CVE-2025-47904: microchip time provider 4100 Download of Code Without Integrity Check
CVSS: 5.7v4.0MediumModified
Published 24-02-2026Last modified 31-03-2026
Vulnerability summary
CVE-2025-47904 is a medium (CVSS 5.7) Download of Code Without Integrity Check vulnerability in microchip time provider 4100. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.7% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v4.0 (CVE.org)EPSS score
0.10%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-02-2026PublishedVulnerability first disclosed.
- 31-03-2026Last modifiedVulnerability information updated.
Description
Download of Code Without Integrity Check vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.7Preferred score · CVE.org (CNA)
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:LSourcesAll 2 agree
- NVDNIST5.7MediumCVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L/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
Medium 4.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:NSourcesSingle source
EPSS trend
Probability
0.10%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
+0.01 pp
From 0.09% on 20-09-2026
20-09-202620-10-2026
EPSS score0.10%
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