Vulnerability in Verysync微力同步 Web Administration Module Allows Unrestricted File Upload
CVE-2025-14199

5.3MEDIUM

Key Information:

Vendor

Verysync

Status
微力同步
Vendor
CVE Published:
7 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-14199?

An identified flaw in the Web Administration Module of Verysync 微力同步 versions up to 2.21.3 allows an attacker to perform unrestricted file uploads through a specific API endpoint. This vulnerability can be remotely exploited, potentially resulting in unauthorized access and manipulation of sensitive data. Despite the vendor being informed about the vulnerability, there has been no response or remediation. Users are strongly advised to evaluate their security posture and take preventive measures.

Affected Version(s)

微力同步 2.21.0

微力同步 2.21.1

微力同步 2.21.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-14199 - Proof of Concept

References

https://vuldb.com/?id.334619
vdb-entry
https://vuldb.com/?ctiid.334619
signaturepermissions-required
https://vuldb.com/?submit.699539
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

jjjjjzr (VulDB User)
JSON
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CVE-2025-14199 : Vulnerability in Verysync微力同步 Web Administration Module Allows Unrestricted File Upload