CVE-2025-14199: Verysync 微力同步 Web Administration text.txt unrestricted upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-12-07 · updated 2026-10-14
Weakness: CWE-284

Description

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: through 2.21.3

References

https://github.com/jjjjj-zr/jjjjjzr/issues/10
https://vuldb.com/?ctiid.334619
https://vuldb.com/?id.334619
https://vuldb.com/?submit.699539
https://github.com/jjjjj-zr/jjjjjzr/issues/10

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