CVE-2025-14199: Verysync

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A flaw has been found in Verysync 微力同步 up to 2.21.3. This impacts an unknown function of the file /rest/f/api/resources/f96956469e7be39d/tmp/text.txt?override=false of the component Web Administration Module. Executing manipulation can lead to unrestricted upload. The attack may be performed from remote. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Verysync Verysync: up to and including 2.21.3

Published 2025-12-07. Last modified 2026-06-17.