CVE-2025-47904— Unsigned upgrade package
Quick assessment
Affected
Microchip Time Provider 4100
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microchip Time Provider 4100是美国Microchip公司的一个精密时间网关。 Microchip Time Provider 4100 2.5之前版本存在安全漏洞，该漏洞源于下载代码时未进行完整性检查，可能导致恶意手动软件更新。
Possible ATT&CK Techniques 1 AI
T1195.002 · Compromise Software Supply Chain
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I. Basic Information for CVE-2025-47904
Vulnerability Information
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Vulnerability Title
Unsigned upgrade package
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
Source: CVE Program / CVE List V5
Vulnerability Title
Microchip Time Provider 4100 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microchip Time Provider 4100是美国Microchip公司的一个精密时间网关。 Microchip Time Provider 4100 2.5之前版本存在安全漏洞，该漏洞源于下载代码时未进行完整性检查，可能导致恶意手动软件更新。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microchip | Time Provider 4100 | 0 ~ 2.5 | - |
|
II. Public POCs for CVE-2025-47904
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2025-47904
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