Microchip Time Provider 4100 up to 2.4 Software Update code download

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Microchip Time Provider 4100 up to 2.4. This issue affects some unknown processing of the component Software Update Handler. The manipulation leads to code download. This vulnerability is referenced as CVE-2025-47904. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Microchip Time Provider 4100 up to 2.4. It has been rated as problematic. This issue affects some unknown functionality of the component Software Update Handler. The manipulation with an unknown input leads to a code download vulnerability. Using CWE to declare the problem leads to CWE-494. The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published by Dario Emilio Bertani, Raffaele Bova, Andrea Sindoni, Simone Bossi, Antonio Carriero, Marco Manieri, Vito Pistillo, Davide Renna, Manuel Leone and Massimiliano Brolli. It is possible to read the advisory at microchip.com. The identification of this vulnerability is CVE-2025-47904 since 05/13/2025. The exploitation is known to be difficult. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1495 according to MITRE ATT&CK.

Upgrading to version 2.5 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.1
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.1
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Code download
CWE: CWE-494
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Time Provider 4100 2.5

Timelineinfo

05/13/2025 CVE reserved
02/24/2026 +287 days Advisory disclosed
02/24/2026 +0 days VulDB entry created
03/31/2026 +35 days VulDB entry last update

Sourcesinfo

Advisory: microchip.com
Researcher: Dario Emilio Bertani, Raffaele Bova, Andrea Sindoni, Simone Bossi, Antonio Carriero, Marco Manieri, Vito Pistillo, Davide Renna, Manuel Leone, Massimiliano Brolli
Status: Confirmed

CVE: CVE-2025-47904 (🔒)
GCVE (CVE): GCVE-0-2025-47904
GCVE (VulDB): GCVE-100-347615

Entryinfo

Created: 02/24/2026 17:31
Updated: 03/31/2026 14:25
Changes: 02/24/2026 17:31 (68), 03/03/2026 21:10 (10), 03/31/2026 14:25 (1)
Complete: 🔍
Cache ID: 216:DE7:103

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