Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2025-47904
PUBLISHED
More InfoOfficial Page
Assigner-Microchip
Assigner Org ID-dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
View Known Exploited Vulnerability (KEV) details
Published At-24 Feb, 2026 | 15:34
Updated At-24 Feb, 2026 | 15:34
Rejected At-
▼CVE Numbering Authority (CNA)
Unsigned upgrade package

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
Vendor
Microchip
Product
Time Provider 4100
Default Status
unaffected
Versions
Affected
  • From 0 before 2.5 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-494CWE-494 Download of Code Without Integrity Check
Type: CWE
CWE ID: CWE-494
Description: CWE-494 Download of Code Without Integrity Check
Metrics
VersionBase scoreBase severityVector
4.05.7MEDIUM
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
Version: 4.0
Base score: 5.7
Base severity: MEDIUM
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-533CAPEC-533 Malicious Manual Software Update
CAPEC ID: CAPEC-533
Description: CAPEC-533 Malicious Manual Software Update
Solutions
Configurations

User knowledge of the decryption passwords and upgrade package structure.

Workarounds

Upgrades are only available on a separate management port which should not be connected to an untrusted network. ACLs are available to further restrict access to only trusted addresses.

Exploits
Credits
finder
Dario Emilio Bertani
finder
Raffaele Bova
finder
Andrea Sindoni
finder
Simone Bossi
finder
Antonio Carriero
finder
Marco Manieri
finder
Vito Pistillo
finder
Davide Renna
finder
Manuel Leone
finder
Massimiliano Brolli
reporter
TIM Security Red Team Research (TIM S.p.A)
Timeline
EventDate
Reported2025-04-14 22:00:00
Event: Reported
Date: 2025-04-14 22:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability
vendor-advisory
Hyperlink: https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerability
Resource:
vendor-advisory
Details not found