CVE-2026-18186
8.1 · HIGHOverview
CVE-2026-18186 is a high-severity vulnerability affecting asustor data_master. It was published on July 30, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A stored format string vulnerability was found in the FTP Backup on the ADM. The vulnerability occurs because user-controlled backup configuration data may be written into a task log and later processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected CGI process.
Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.
Remediation
Check the references section for vendor advisories and patches from asustor. Update data_master to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| asustor | data_master | 4.1.0.rhu2 | Affected |
Frequently Asked Questions
What is CVE-2026-18186?
CVE-2026-18186 is a high-severity vulnerability affecting asustor data_master. It was published on July 30, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2026-18186?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-18186?
Check the references section for vendor advisories and patches from asustor. Update data_master to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-18186?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-18186 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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