CVE-2025-47904— Unsigned upgrade package
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I. Basic Information for CVE-2025-47904
Vulnerability Information
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Vulnerability Title
Unsigned upgrade package
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
下载代码缺少完整性检查
Source: NVD (National Vulnerability Database)
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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IV. Related Vulnerabilities
Same weakness: CWE-494
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Remote Code Execution in Ollama via Update Mechanism - CVE-2026-42248
Missing Signature Verification for Updates in Ollama - CVE-2026-40066
Anviz Products Download of Code Without Integrity Check - CVE-2026-3428
ASUS Member Center 安全漏洞 - CVE-2026-34841
Axios npm Supply Chain Incident Impacting @usebruno/cli
V. Comments for CVE-2025-47904
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