PT-2025-42791 · Microchip · Microchip Timeprovider 4100

Andrea Sindoni + 8 · Published 2025-10-20 · Updated 2025-10-23 · CVE-2025-47900

Positive Technologies (AI Summary)

CVSS v4.0

8.9

High

Base vector

AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Name of the Vulnerable Software and Affected Versions Microchip Time Provider 4100 versions prior to 2.5

Description An improper neutralization of special elements used in an OS command vulnerability exists in Microchip Time Provider 4100, allowing for OS command injection. This issue relates to remote code execution through the backup configuration password.

Recommendations Update to a version newer than 2.5.

Fix

RCE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2025-47900

Affected Products

Microchip Timeprovider 4100

References · 8

• https://osv.dev/vulnerability/CVE-2025-47900 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-47900 · Security Note
• https://microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-grandmaster-remote-command-execution · Vendor Advisory
• https://twitter.com/CVEnew/status/1980338986531848359 · Twitter Post
• https://gruppotim.it/en/footer/TIM-red-team.html · Note
• https://t.me/CVEtracker/35331 · Telegram Post
• https://twitter.com/CveFindCom/status/1980335717659136312 · Twitter Post
• https://twitter.com/SecAideInfo/status/1981303698820325548 · Twitter Post