Vulnerability · Published Feb 24, 2026 · Assigned by Microchip
CVE-2025-47904Unsigned upgrade package
Medium 5.7
In plain English
A medium-severity security flaw in Time Provider 4100 from Microchip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 4.0)5.7Medium
Exploit odds (30 days)<0.1%top 99.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microchip | Time Provider 4100 | 0 – before 2.5 |
Weakness: CWE-494 · Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L