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CVE-2025-14199

31
FAUCET Score

CVE-2025-14199 is a critical unrestricted upload vulnerability affecting Verysync 微力同步 up to version 2.21.3, specifically within the Web Administration Module. This flaw allows a remote, unauthenticated attacker to upload arbitrary files, potentially leading to full system compromise. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable with low attack complexity and no user interaction required, resulting in high impacts to confidentiality, integrity, and availability. While an exploit has been published, there is currently no evidence of active exploitation in the wild, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.21.3CPE matchmatch criteria
cpe:2.3:a:verysync:verysync:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.1LOW

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 4th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / jjjjj-zr/jjjjjzr/issues/10
ExploitIssue TrackingThird Party Advisory
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry