Microchip Time Provider 4100 up to 2.4.x Software Update hard-coded credentials

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k2.55

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microchip Time Provider 4100 up to 2.4.x. The impacted element is an unknown function of the component Software Update Handler. Performing a manipulation results in hard-coded credentials. This vulnerability is known as CVE-2025-9497. Attacking locally is a requirement. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microchip Time Provider 4100 up to 2.4.x. It has been classified as problematic. This affects an unknown functionality of the component Software Update Handler. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. CWE is classifying the issue as CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.0.

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. This vulnerability is uniquely identified as CVE-2025-9497 since 08/26/2025. The exploitability is told to be difficult. Attacking locally is a requirement. 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 T1110.001 according to MITRE ATT&CK.

Upgrading to version 2.5.0 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: 3.9
VulDB Meta Temp Score: 3.8

VulDB Base Score: 3.9
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
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 2.5.0

Timelineinfo

08/26/2025 CVE reserved
03/28/2026 +214 days Advisory disclosed
03/28/2026 +0 days VulDB entry created
03/28/2026 +0 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-2025-9497 (🔒)
GCVE (CVE): GCVE-0-2025-9497
GCVE (VulDB): GCVE-100-354075

Entryinfo

Created: 03/28/2026 12:58
Changes: 03/28/2026 12:58 (68)
Complete: 🔍
Cache ID: 216:612:103

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