Qsync Central
CVE-2025-30269
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Format string safety
|
| Impact | CVSS 8.1 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via remote/network. |
| Exploit ScenarioDerived | A remote attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory. [CVSS 8.1 HIGH]
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
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Technical ContextAI · show details
Classified as CWE-134 (Use of Externally-Controlled Format String). Affects Qsync Central. A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory.
We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory.
We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
Executive ViewAI
CVE-2025-30269 is a format string vulnerability in Qsync Central that allows authenticated attackers to access sensitive data or manipulate system memory. Organizations using Qsync Central are at risk if user accounts are compromised, potentially leading to data breaches or system compromise. Immediate action is required to assess exposure and implement interim protections while awaiting vendor remediation.
Implement network-based access controls to restrict Qsync Central connectivity to known trusted IP ranges. Enable enhanced logging and monitoring for Qsync Central user authentication and data access. Consider disabling Qsync Central services if operationally feasible until patch availability. Apply principle of least privilege to user accounts with Qsync Central access. Deploy WAF rules to block suspicious format string patterns if Qsync Central exposes web interfaces.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.
Affected Products (CPE)CVE.org
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GitHub PoC
Exploit-DB